meridian
nounDefinition of meridian
(Entry 1 of 2)
1a(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 (see longitude sense 1) on a map or globe — see longitude illustration
2
: a great circle of the celestial sphere passing through its poles and the zenith of a given place — see azimuth illustration
3
: any of the pathways along which the body's vital energy flows according to the theory behind acupuncture
4
: a high point (as of development or prosperity)
the problem of the unmarried don after he had passed the meridian— H. J. Laski
Meridian
geographical nameDefinition of Meridian (Entry 2 of 2)
1
city in southwestern Idaho west of Boise population 75,092
Note: Between 2000 and 2010, Meridian more than doubled in population.
2
city in east central Mississippi population 41,148
Note: In 1863, during the American Civil War, Meridian served as temporary state capital for a brief time.
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