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yellow jack definitions

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WordNet (r) 3.0 (2005)

n
1: caused by a flavivirus transmitted by a mosquito [syn: yellow jack, yellow fever, black vomit]
2: yellow flag hoist on a ship in quarantine
3: fish of western Atlantic and Gulf of Mexico [syn: yellow jack, Caranx bartholomaei]

Merriam Webster's

noun Date: circa 1833 1. yellow fever 2. a yellowish carangid marine food fish (Caranx bartholomaei) found from Massachusetts to Brazil

Webster's 1913 Dictionary

Jack rabbit (Zo["o]l.), any one of several species of large American hares, having very large ears and long legs. The California species (Lepus Californicus), and that of Texas and New Mexico (L. callotis), have the tail black above, and the ears black at the tip. They do not become white in winter. The more northern prairie hare (L. campestris) has the upper side of the tail white, and in winter its fur becomes nearly white. Jack rafter (Arch.), in England, one of the shorter rafters used in constructing a hip or valley roof; in the United States, any secondary roof timber, as the common rafters resting on purlins in a trussed roof; also, one of the pieces simulating extended rafters, used under the eaves in some styles of building. Jack salmon (Zo["o]l.), the wall-eyed pike, or glasseye. Jack sauce, an impudent fellow. [Colloq. & Obs.] Jack shaft (Mach.), the first intermediate shaft, in a factory or mill, which receives power, through belts or gearing, from a prime mover, and transmits it, by the same means, to other intermediate shafts or to a line shaft. Jack sinker (Knitting Mach.), a thin iron plate operated by the jack to depress the loop of thread between two needles. Jack snipe. (Zo["o]l.) See in the Vocabulary. Jack staff (Naut.), a staff fixed on the bowsprit cap, upon which the jack is hoisted. Jack timber (Arch.), any timber, as a rafter, rib, or studding, which, being intercepted, is shorter than the others. Jack towel, a towel hung on a roller for common use. Jack truss (Arch.), in a hip roof, a minor truss used where the roof has not its full section. Jack tree. (Bot.) See 1st Jack, n. Jack yard (Naut.), a short spar to extend a topsail beyond the gaff. Blue jack, blue vitriol; sulphate of copper. Hydraulic jack, a jack used for lifting, pulling, or forcing, consisting of a compact portable hydrostatic press, with its pump and a reservoir containing a supply of liquid, as oil. Jack-at-a-pinch. (a) One called upon to take the place of another in an emergency. (b) An itinerant parson who conducts an occasional service for a fee. Jack-at-all-trades, one who can turn his hand to any kind of work. Jack-by-the-hedge (Bot.), a plant of the genus Erysimum (E. alliaria, or Alliaria officinalis), which grows under hedges. It bears a white flower and has a taste not unlike garlic. Called also, in England, sauce-alone. --Eng. Cyc. Jack-in-a-box. (a) (Bot.) A tropical tree (Hernandia sonora), which bears a drupe that rattles when dry in the inflated calyx. (b) A child's toy, consisting of a box, out of which, when the lid is raised, a figure springs. (c) (Mech.) An epicyclic train of bevel gears for transmitting rotary motion to two parts in such a manner that their relative rotation may be variable; applied to driving the wheels of tricycles, road locomotives, and to cotton machinery, etc.; an equation box; a jack frame; -- called also compensating gearing. (d) A large wooden screw turning in a nut attached to the crosspiece of a rude press. Jack-in-office, an insolent fellow in authority. --Wolcott. Jack-in-the-bush (Bot.), a tropical shrub with red fruit (Cordia Cylindrostachya). Jack-in-the-green, a chimney sweep inclosed in a framework of boughs, carried in Mayday processions. Jack-in-the-pulpit (Bot.), the American plant Aris[ae]ma triphyllum, or Indian turnip, in which the upright spadix is inclosed. Jack-of-the-buttery (Bot.), the stonecrop (Sedum acre). Jack-of-the-clock, a figure, usually of a man, on old clocks, which struck the time on the bell. Jack-on-both-sides, one who is or tries to be neutral. Jack-out-of-office, one who has been in office and is turned out. --Shak. Jack the Giant Killer, the hero of a well-known nursery story. Jack-with-a-lantern, Jack-o'-lantern. (a) An ignis fatuus; a will-o'-the-wisp. ``[Newspaper speculations] supplying so many more jack-o'-lanterns to the future historian.'' --Lowell. (b) A lantern made of a pumpkin so prepared as to show in illumination the features of a human face, etc. Yellow Jack (Naut.), the yellow fever; also, the quarantine flag. See Yellow flag, under Flag.

Webster's 1913 Dictionary

Yellow Yel"low, a. [Compar. Yellower; superl. Yellowest.] [OE. yelow, yelwe, [yogh]elow, [yogh]eoluw, from AS. geolu; akin to D. geel, OS. & OHG. gelo, G. gelb, Icel. gulr, Sw. gul, Dan. guul, L. helvus light bay, Gr. ? young verdure, ? greenish yellow, Skr. hari tawny, yellowish. ???. Cf. Chlorine, Gall a bitter liquid, Gold, Yolk.] Being of a bright saffronlike color; of the color of gold or brass; having the hue of that part of the rainbow, or of the solar spectrum, which is between the orange and the green. Her yellow hair was browded [braided] in a tress. --Chaucer. A sweaty reaper from his tillage brought First fruits, the green ear and the yellow sheaf. --Milton. The line of yellow light dies fast away. --Keble. Yellow atrophy (Med.), a fatal affection of the liver, in which it undergoes fatty degeneration, and becomes rapidly smaller and of a deep yellow tinge. The marked symptoms are black vomit, delirium, convulsions, coma, and jaundice. Yellow bark, calisaya bark. Yellow bass (Zo["o]l.), a North American fresh-water bass (Morone interrupta) native of the lower parts of the Mississippi and its tributaries. It is yellow, with several more or less broken black stripes or bars. Called also barfish. Yellow berry. (Bot.) Same as Persian berry, under Persian. Yellow boy, a gold coin, as a guinea. [Slang] --Arbuthnot. Yellow brier. (Bot.) See under Brier. Yellow bugle (Bot.), a European labiate plant (Ajuga Cham[ae]pitys). Yellow bunting (Zo["o]l.), the European yellow-hammer. Yellow cat (Zo["o]l.), a yellow catfish; especially, the bashaw. Yellow copperas (Min.), a hydrous sulphate of iron; -- called also copiapite. Yellow copper ore, a sulphide of copper and iron; copper pyrites. See Chalcopyrite. Yellow cress (Bot.), a yellow-flowered, cruciferous plant (Barbarea pr[ae]cox), sometimes grown as a salad plant. Yellow dock. (Bot.) See the Note under Dock. Yellow earth, a yellowish clay, colored by iron, sometimes used as a yellow pigment. Yellow fever (Med.), a malignant, contagious, febrile disease of warm climates, attended with jaundice, producing a yellow color of the skin, and with the black vomit. See Black vomit, in the Vocabulary. Yellow flag, the quarantine flag. See under Quarantine, and 3d Flag. Yellow jack. (a) The yellow fever. See under 2d Jack. (b) The quarantine flag. See under Quarantine. Yellow jacket (Zo["o]l.), any one of several species of American social wasps of the genus Vespa, in which the color of the body is partly bright yellow. These wasps are noted for their irritability, and for their painful stings. Yellow lead ore (Min.), wulfenite. Yellow lemur (Zo["o]l.), the kinkajou. Yellow macauco (Zo["o]l.), the kinkajou. Yellow mackerel (Zo["o]l.), the jurel. Yellow metal. Same as Muntz metal, under Metal. Yellow ocher (Min.), an impure, earthy variety of brown iron ore, which is used as a pigment. Yellow oxeye (Bot.), a yellow-flowered plant (Chrysanthemum segetum) closely related to the oxeye daisy. Yellow perch (Zo["o]l.), the common American perch. See Perch. Yellow pike (Zo["o]l.), the wall-eye. Yellow pine (Bot.), any of several kinds of pine; also, their yellowish and generally durable timber. Among the most common are valuable species are Pinus mitis and P. palustris of the Eastern and Southern States, and P. ponderosa and P. Arizonica of the Rocky Mountains and Pacific States. Yellow plover (Zo["o]l.), the golden plover. Yellow precipitate (Med. Chem.), an oxide of mercury which is thrown down as an amorphous yellow powder on adding corrosive sublimate to limewater. Yellow puccoon. (Bot.) Same as Orangeroot. Yellow rail (Zo["o]l.), a small American rail (Porzana Noveboracensis) in which the lower parts are dull yellow, darkest on the breast. The back is streaked with brownish yellow and with black, and spotted with white. Called also yellow crake. Yellow rattle, Yellow rocket. (Bot.) See under Rattle, and Rocket. Yellow Sally (Zo["o]l.), a greenish or yellowish European stone fly of the genus Chloroperla; -- so called by anglers. Yellow sculpin (Zo["o]l.), the dragonet. Yellow snake (Zo["o]l.), a West Indian boa (Chilobothrus inornatus) common in Jamaica. It becomes from eight to ten long. The body is yellowish or yellowish green, mixed with black, and anteriorly with black lines. Yellow spot. (a) (Anat.) A small yellowish spot with a central pit, the fovea centralis, in the center of the retina where vision is most accurate. See Eye. (b) (Zo["o]l.) A small American butterfly (Polites Peckius) of the Skipper family. Its wings are brownish, with a large, irregular, bright yellow spot on each of the hind wings, most conspicuous beneath. Called also Peck's skipper. See Illust. under Skipper, n., 5. Yellow tit (Zo["o]l.), any one of several species of crested titmice of the genus Machlolophus, native of India. The predominating colors of the plumage are yellow and green. Yellow viper (Zo["o]l.), the fer-de-lance. Yellow warbler (Zo["o]l.), any one of several species of American warblers of the genus Dendroica in which the predominant color is yellow, especially D. [ae]stiva, which is a very abundant and familiar species; -- called also garden warbler, golden warbler, summer yellowbird, summer warbler, and yellow-poll warbler. Yellow wash (Pharm.), yellow oxide of mercury suspended in water, -- a mixture prepared by adding corrosive sublimate to limewater. Yellow wren (Zo["o]l.) (a) The European willow warbler. (b) The European wood warbler.

Webster's 1913 Dictionary

Quarantine Quar"an*tine, n. [F. quarantaine, OF. quaranteine, fr. F. quarante forty, L. quadraginta, akin to quattuor four, and E. four: cf. It. quarantina, quarentine. See Four, and cf. Quadragesima.] 1. A space of forty days; -- used of Lent. 2. Specifically, the term, originally of forty days, during which a ship arriving in port, and suspected of being infected a malignant contagious disease, is obliged to forbear all intercourse with the shore; hence, such restraint or inhibition of intercourse; also, the place where infected or prohibited vessels are stationed. Note: Quarantine is now applied also to any forced stoppage of travel or communication on account of malignant contagious disease, on land as well as by sea. 3. (Eng. Law) The period of forty days during which the widow had the privilege of remaining in the mansion house of which her husband died seized. Quarantine flag, a yellow flag hoisted at the fore of a vessel or hung from a building, to give warning of an infectious disease; -- called also the yellow jack, and yellow flag.