transcription, транскрипция: [ mə-ˈri-dē-ən ]
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