Gill GILL, n. 1. The organ of respiration in fishes, consisting
of a cartilaginous or bony arch, attached to the bones of the head, and
furnished on the exterior convex side with a multitude of fleshy leaves,
or fringed vascular fibrils, resembling plumes, and of a red color in a
healthy state. The water is admitted by the gill-opening, and acts upon
the blood as it circulates in the fibrils. Other animals also breathe by
gills, as frogs in their tadpole state, lobsters, etc. Fishes perform
respiration under water by the gills. 2. The flap that hangs below
the beak of a fowl. 3. The flesh under the chin. 4. In England,
a pair of wheels and a frame on which timber is conveyed. [Local.]
gill
n 1: a British imperial capacity unit (liquid or dry) equal to 5
fluid ounces or 142.066 cubic centimeters
2: a United States liquid unit equal to 4 fluid ounces
3: any of the radiating leaflike spore-producing structures on
the underside of the cap of a mushroom or similar fungus
[syn: gill, lamella]
4: respiratory organ of aquatic animals that breathe oxygen
dissolved in water [syn: gill, branchia]
gill I. nounEtymology: Middle English gille, from Medieval Latin
gillus, from Late Latin gillo, gello water pot Date:
14th century
— see weight table II. nounEtymology: Middle English gile, of Scandinavian origin; akin
to Swedish gäl gill, Old Norse gjǫlnar lips; akin to Greek
chelynē lip, jawbone Date: 14th century 1. an organ
(as of a fish) for obtaining oxygen from water 2.a.wattle III b. the flesh under or about the chin or
jaws — usually used in plural c. one of the radiating plates
forming the undersurface of the cap of a mushroom fungus
• gilledadjectiveIII. verbDate: 1884 transitive verbgillnetintransitive verbof fish to become entangled in a gill net • gillernounIV. nounEtymology: Middle English gille, from
Old Norse gil; akin to Old High German gil hernia Date:
14th century 1.Britishravine2.British
a narrow stream or rivulet
V. nounUsage: often capitalized Etymology:
Middle English, from Gill, nickname for GillianDate:
15th century
girl, sweetheart
gill 1. n. & v. --n. (usu. in pl.) 1 the respiratory organ in fishes and other aquatic animals. 2 the vertical radial plates on the underside of mushrooms and other fungi. 3
the flesh below a person's jaws and ears (green about the gills). 4 the wattles or dewlap of fowls. --v.tr. 1 gut (a fish). 2 cut off the gills of (a mushroom). 3 catch in a
gill-net. Phrases and idioms: gill-cover a bony case protecting a fish's gills; an operculum. gill-net a net for entangling fishes by the gills. Derivatives: gilled adj.
(also in comb.). Etymology: ME f. ON gil (unrecorded) f. Gmc 2. n. 1 a unit of liquid measure, equal to a quarter of a pint. 2 Brit. dial. half a
pint. Etymology: ME f. OF gille, med.L gillo f. LL gello, gillo water-pot 3. n. (also ghyll) Brit. 1 a deep usu. wooded ravine. 2 a narrow mountain
torrent. Etymology: ME f. ON gil glen 4. n. (also Gill, jill, Jill) 1 derog. a young woman. 2 colloq. or dial. a female ferret. Etymology: ME, abbr. of Gillian
f. OF Juliane f. L Juliana (Julius)
Gill \Gill\, n. [Abbrev. from Gillian.]
1. A young woman; a sweetheart; a flirting or wanton girl.
``Each Jack with his Gill.'' --B. Jonson.
2. (Bot.) The ground ivy ({Nepeta Glechoma}); -- called also
gill over the ground, and other like names.
3. Malt liquor medicated with ground ivy.
Gill ale.
(a) Ale flavored with ground ivy.
(b) (Bot.) Alehoof.
Gill \Gill\, n. [Dan. gi[ae]lle, gelle; akin to Sw. g["a]l,
Icel. gj["o]lnar gills; cf. AS. geagl, geahl, jaw.]
1. (Anat.) An organ for aquatic respiration; a branchia.
Fishes perform respiration under water by the gills.
--Ray.
Note: Gills are usually lamellar or filamentous appendages,
through which the blood circulates, and in which it is
exposed to the action of the air contained in the
water. In vertebrates they are appendages of the
visceral arches on either side of the neck. In
invertebrates they occupy various situations.
2. pl. (Bot.) The radiating, gill-shaped plates forming the
under surface of a mushroom.
3. (Zo["o]l.) The fleshy flap that hangs below the beak of a
fowl; a wattle.
4. The flesh under or about the chin. --Swift.
5. (Spinning) One of the combs of closely ranged steel pins
which divide the ribbons of flax fiber or wool into fewer
parallel filaments. [Prob. so called from F. aiguilles,
needles. --Ure.]
Gill arches, Gill bars. (Anat.) Same as Branchial
arches}.
Gill clefts. (Anat.) Same as Branchial clefts. See under
Branchial.
Gill cover, Gill lid. See Operculum.
Gill frame, or Gill head (Flax Manuf.), a spreader; a
machine for subjecting flax to the action of gills.
--Knight.
Gill net, a flat net so suspended in the water that its
meshes allow the heads of fish to pass, but catch in the
gills when they seek to extricate themselves.
Gill opening, or Gill slit (Anat.), an opening behind and
below the head of most fishes, and some amphibians, by
which the water from the gills is discharged. In most
fishes there is a single opening on each side, but in the
sharks and rays there are five, or more, on each side.
Gill rakes, or Gill rakers (Anat.), horny filaments, or
progresses, on the inside of the branchial arches of
fishes, which help to prevent solid substances from being
carried into gill cavities.
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