meridian - Definitions from Dictionary.com

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

me·rid·i·an

Audio Help [muh-rid-ee-uh

n] Pronunciation Key

–noun

Geography.

a.	a great circle of the earth passing through the poles and any given point on the earth's surface.

b.	the half of such a circle included between the poles.

2.	Astronomy. the great circle of the celestial sphere that passes through its poles and the observer's zenith.

3.	a point or period of highest development, greatest prosperity, or the like.

4.	(in acupuncture) any of the pathways in the body along which vital energy flows.

–adjective

5.	of or pertaining to a meridian.

6.	of or pertaining to midday or noon: the meridian hour.

7.	of or indicating a period of greatest prosperity, splendor, success, etc.

[Origin: 1350–1400; ME < L merīdiānus of noon, equiv. to merīdi(és) midday (formed from the locative merīdié at midday, by dissimilation < *medī dié; medius mid¹, diés day) + -ānus -an

]

Dictionary.com Unabridged (v 1.1)
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Encyclopædia Britannica, Inc.
meridian

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Me·rid·i·an

Audio Help [muh-rid-ee-uh

n] Pronunciation Key

–noun

a city in E Mississippi. 46,577.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

American Heritage Dictionary - Cite This Source - Share This

median strip
n. Eastern, Midwestern, & Southern U.S.
The dividing area, either paved or landscaped, between opposing lanes of traffic on some highways. Also called median; also called regionally boulevard, mall¹, medial strip, meridian, neutral ground. See Regional Note at neutral ground.

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Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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me·rid·i·an Audio Help (mə-rĭd'ē-ən) Pronunciation Key

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n.

1. An imaginary great circle on the earth's surface passing through the North and South geographic poles. All points on the same meridian have the same longitude.
2. Either half of such a great circle from pole to pole.
3. A curve on a surface of revolution, formed by the intersection of the surface with a plane containing the axis of revolution.
4. A plane section of a surface of revolution containing the axis of revolution.
5. The highest point in the sky reached by the sun or another celestial body; a zenith.
6. Noon.
Astronomy A great circle passing through the two poles of the celestial sphere and the zenith of a given observer.
Mathematics
1. A curve on a surface of revolution, formed by the intersection of the surface with a plane containing the axis of revolution.
2. A plane section of a surface of revolution containing the axis of revolution.
3. The highest point in the sky reached by the sun or another celestial body; a zenith.
4. Noon.
Any of the longitudinal lines or pathways on the body along which the acupuncture points are distributed.
Archaic
1. The highest point in the sky reached by the sun or another celestial body; a zenith.
2. Noon.
The highest point or stage of development; peak: "Men come to their meridian at various periods of their lives" (John Henry Newman).
Midwestern U.S. See median strip. See Regional Note at neutral ground.

adj.

Of or relating to a meridian; meridional.
Of or at midday: the meridian hour.
Of, relating to, or constituting the highest point, as of development or power: the empire in its meridian period.

[Middle English, from Old French, midday, from Latin merīdiānus, of midday, from merīdiēs, midday, from merīdiē, at midday, alteration of earlier *medīdiē, from *mediei diē : *mediei, dative (locative) of medius, middle; see medhyo- in Indo-European roots + diē, dative of diēs, day; see dyeu- in Indo-European roots.]

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Published by Houghton Mifflin Company. All rights reserved.

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Me·rid·i·an Audio Help (mə-rĭd'ē-ən) Pronunciation Key
A city of eastern Mississippi near the Alabama border east of Jackson. Population: 38,600.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
meridian

c.1380, "noon," from O.Fr. meridien, from L. meridianus "of noon, southern," from meridies "noon, south," from meridie "at noon," altered by dissimilation from pre-L. *mediei die, loc. of medius "mid-" + dies "day" (see diurnal). Cartographic sense first recorded 1391.

WordNet - Cite This Source - Share This

meridian
adjective
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]
noun
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"
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"

Kernerman English Multilingual Dictionary - Cite This Source - Share This
meridian [məˈridiən] noun

an imaginary line on the earth's surface passing through the poles and any given place; any line of longitude

Arabic:	خَط الزَّوال، خَط طول
Chinese (Simplified):	子午线
Chinese (Traditional):	子午線
Czech:	poledník
Danish:	meridian; længdegrad
Dutch:	meridiaan
Estonian:	meridiaan
Finnish:	pituuspiiri
French:	méridien
German:	der Meridian
Greek:	ο μεσημβρινός
Hungarian:	délkör, meridián
Icelandic:	hádegisbaugur
Indonesian:	garis bujur
Italian:	meridiano

Japanese:	子午線
Korean:	자오선, 경선
Latvian:	meridiāns
Lithuanian:	meridianas
Norwegian:	lengdegrad
Polish:	południk
Portuguese (Brazil):	meridiano
Portuguese (Portugal):	meridiano
Romanian:	meridian
Russian:	меридиан
Slovak:	poludník
Slovenian:	poldnevnik
Spanish:	meridiano
Swedish:	meridian
Turkish:	meridyen

The American Heritage Science Dictionary - Cite This Source - Share This

meridian Audio Help (mə-rĭd'ē-ən) Pronunciation Key

An imaginary line forming a great circle that passes through the Earth's North and South geographic poles.
Either half of such a circle from pole to pole. All the places on the same meridian have the same longitude. See illustration at longitude.
See celestial meridian.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
meridian [(muh-rid-ee-uhn)]

A great imaginary circle on the surface of the Earth that runs north and south through the North Pole and South Pole. Longitude is measured on meridians: places on a meridian have the same longitude. (See prime meridian.)

[Chapter:] World Geography

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

U.S. Gazetteer - Cite This Source - Share This

Meridian Hills, IN (town, FIPS 48456) Location: 39.88635 N, 86.15645 W
Population (1990): 1728 (673 housing units)
Area: 3.8 sq km (land), 0.0 sq km (water)

Meridian Station, MS (CDP, FIPS 46680) Location: 32.54615 N, 88.61762 W
Population (1990): 2503 (526 housing units)
Area: 2.7 sq km (land), 0.1 sq km (water)

Meridian, MS (city, FIPS 46640) Location: 32.38087 N, 88.71250 W
Population (1990): 41036 (17740 housing units)
Area: 92.3 sq km (land), 0.6 sq km (water)
Zip code(s): 39301, 39305, 39307

Meridian, OK (town, FIPS 47800) Location: 35.84349 N, 97.24631 W
Population (1990): 45 (32 housing units)
Area: 0.6 sq km (land), 0.0 sq km (water)
Zip code(s): 73058

Meridian, TX (city, FIPS 47760) Location: 31.92395 N, 97.64723 W
Population (1990): 1390 (620 housing units)
Area: 5.4 sq km (land), 0.0 sq km (water)
Zip code(s): 76665

Meridian, ID (city, FIPS 52120) Location: 43.61113 N, 116.39968 W
Population (1990): 9596 (3746 housing units)
Area: 18.1 sq km (land), 0.0 sq km (water)
Zip code(s): 83642

Meridian, GA Zip code(s): 31319

Meridian, CA Zip code(s): 95957

Meridian, NY (village, FIPS 46646) Location: 43.16346 N, 76.53538 W
Population (1990): 351 (120 housing units)
Area: 1.8 sq km (land), 0.0 sq km (water)

Meridian, OK (CDP, FIPS 47810) Location: 34.42710 N, 97.97779 W
Population (1990): 1471 (609 housing units)
Area: 20.7 sq km (land), 0.0 sq km (water)

Meridian, PA (CDP, FIPS 48728) Location: 40.85435 N, 79.95658 W
Population (1990): 3473 (1287 housing units)
Area: 7.3 sq km (land), 0.0 sq km (water)

East Hill-Meridian, WA (CDP, FIPS 19515) Location: 47.38981 N, 122.17202 W
Population (1990): 42696 (14777 housing units)
Area: 45.4 sq km (land), 0.7 sq km (water)

U.S. Gazetteer, U.S. Census Bureau

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Meridian

Al"ti*tude\, n. [L. altitudo, fr. altus high. Cf. Altar, Haughty, Enhance.]

1. Space extended upward; height; the perpendicular elevation of an object above its foundation, above the ground, or above a given level, or of one object above another; as, the altitude of a mountain, or of a bird above the top of a tree.

2. (Astron.) The elevation of a point, or star, or other celestial object, above the horizon, measured by the arc of a vertical circle intercepted between such point and the horizon. It is either true or apparent; true when measured from the rational or real horizon, apparent when from the sensible or apparent horizon.

3. (Geom.) The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base; as, the altitude of a triangle, pyramid, parallelogram, frustum, etc.

4. Height of degree; highest point or degree.

He is [proud] even to the altitude of his virtue. --Shak.

5. Height of rank or excellence; superiority. --Swift.

6. pl. Elevation of spirits; heroics; haughty airs. [Colloq.] --Richardson.

The man of law began to get into his altitude. --Sir W. Scott.

Meridian altitude, an arc of the meridian intercepted between the south point on the horizon and any point on the meridian. See Meridian, 3.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Meridian

An`te*me*rid"i*an\, a. [L. antemeridianus; ante + meridianus belonging to midday or noon. See Meridian.] Being before noon; in or pertaining to the forenoon. (Abbrev. a. m.)

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