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Meridian definitions



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Webster's 1828 Dictionary

MERID'IAN, n. [L. meridies.]
1. In astronomy and geography, a great circle supposed to be drawn or to pass through the poles of the earth, and the zenith and nadir of any given place, intersecting the equator at right angles, and dividing the hemisphere into eastern and western. Every place on the globe has its meridian, and when the sun arrives at this circle, it is mid-day or noon. whence the name. This circle may be considered to be drawn on the surface of the earth, or it may be considered as a circle in the heavens coinciding with that on the earth.
2. Mid-day, noon.
3. The highest point; as the meridian of life; the meridian of power or of glory.
4. The particular place or state, with regard to local circumstances or things that distinguish it from others. We say, a book is adapted to the meridian of France or Italy; a measure is adapted to the meridian of London or Washington.
Magnetic meridian, a great circle, parallel with the direction of the magnetic needle, and passing through its poles.
MERID'IAN, a. Being on the meridian or at mid-day.
The sun sat high in his meridian tower.
1. Pertaining to the meridian or to mid-day; as the sun's meridian heat or splendor.
2. Pertaining to the highest point; as, the hero enjoyed his meridian glory.
3. Pertaining to the magnetic meridian.

WordNet (r) 3.0 (2005)

adj
1: of or happening at noon; "meridian hour"
2: being at the best stage of development; "our manhood's prime vigor"- Robert Browning [syn: prime, meridian] n
1: the highest level or degree attainable; the highest stage of development; "his landscapes were deemed the acme of beauty"; "the artist's gifts are at their acme"; "at the height of her career"; "the peak of perfection"; "summer was at its peak"; "...catapulted Einstein to the pinnacle of fame"; "the summit of his ambition"; "so many highest superlatives achieved by man"; "at the top of his profession" [syn: acme, height, elevation, peak, pinnacle, summit, superlative, meridian, tiptop, top]
2: a town in eastern Mississippi
3: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator; "all points on the same meridian have the same longitude" [syn: meridian, line of longitude]

Merriam Webster's

noun Etymology: Middle English, from Anglo-French meridien, from meridien of noon, from Latin meridianus, from meridies noon, south, irregular from medius mid + dies day — more at mid, deity Date: 14th century 1. archaic the hour of noon ; midday 2. a great circle of the celestial sphere passing through its poles and the zenith of a given place — see azimuth illustration 3. a high point 4. a. (1) a great circle on the surface of the earth passing through the poles (2) the half of such a circle included between the poles b. a representation of such a circle or half circle numbered for longitude on a map or globe — see longitude illustration 5. any of the pathways along which the body's vital energy flows according to the theory behind acupuncture • meridian adjective

Merriam Webster's

geographical name 1. city SW Idaho W of Boise population 34,919 2. city E central Mississippi population 39,968

Oxford Reference Dictionary

n. & adj. --n. 1 a circle passing through the celestial poles and zenith of any place on the earth's surface. 2 a a circle of constant longitude, passing through a given place and the terrestrial poles. b the corresponding line on a map. 3 archaic the point at which a sun or star attains its highest altitude. 4 prime; full splendour. --adj. 1 of noon. 2 of the period of greatest splendour, vigour, etc. Etymology: ME f. OF meridien or L meridianus (adj.) f. meridies midday f. medius middle + dies day

Webster's 1913 Dictionary

Meridian Me*rid"i*an, a. [F. m['e]ridien, L. meridianus pertaining to noon, fr. meridies noon, midday, for older medidies; medius mid, middle + dies day. See Mid, and Diurnal.] 1. Being at, or pertaining to, midday; belonging to, or passing through, the highest point attained by the sun in his diurnal course. ``Meridian hour.'' --Milton. Tables . . . to find the altitude meridian. --Chaucer. 2. Pertaining to the highest point or culmination; as, meridian splendor.

Webster's 1913 Dictionary

Meridian Me*rid"i*an, n. [F. m['e]ridien. See Meridian, a.] 1. Midday; noon. 2. Hence: The highest point, as of success, prosperity, or the like; culmination. I have touched the highest point of all my greatness, And from that full meridian of my glory I haste now to my setting. --Shak. 3. (Astron.) A great circle of the sphere passing through the poles of the heavens and the zenith of a given place. It is crossed by the sun at midday. 4. (Geog.) A great circle on the surface of the earth, passing through the poles and any given place; also, the half of such a circle included between the poles. Note: The planes of the geographical and astronomical meridians coincide. Meridians, on a map or globe, are lines drawn at certain intervals due north and south, or in the direction of the poles. Calculated for, or fitted to, or adapted to, the meridian of, suited to the local circumstances, capabilities, or special requirements of. All other knowledge merely serves the concerns of this life, and is fitted to the meridian thereof. --Sir M. Hale. First meridian, the meridian from which longitudes are reckoned. The meridian of Greenwich is the one commonly employed in calculations of longitude by geographers, and in actual practice, although in various countries other and different meridians, chiefly those which pass through the capitals of the countries, are occasionally used; as, in France, the meridian of Paris; in the United States, the meridian of Washington, etc. Guide meridian (Public Land Survey), a line, marked by monuments, running North and South through a section of country between other more carefully established meridians called principal meridians, used for reference in surveying. [U.S.] Magnetic meridian, a great circle, passing through the zenith and coinciding in direction with the magnetic needle, or a line on the earth's surface having the same direction. Meridian circle (Astron.), an instrument consisting of a telescope attached to a large graduated circle and so mounted that the telescope revolves like the transit instrument in a meridian plane. By it the right ascension and the declination of a star may be measured in a single observation. Meridian instrument (Astron.), any astronomical instrument having a telescope that rotates in a meridian plane. Meridian of a globe, or Brass meridian, a graduated circular ring of brass, in which the artificial globe is suspended and revolves.

Collin's Cobuild Dictionary

(meridians) A meridian is an imaginary line from the North Pole to the South Pole. Meridians are drawn on maps to help you describe the position of a place. N-COUNT

Soule's Dictionary of English Synonyms

n. 1. Noon, noontide, mid-day, twelve o'clock. 2. Summit, culmination, zenith, apex, climax.

Moby Thesaurus

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