meridian — meaning in English

English meaning

• longitude noun The angular distance of a place east or west of the prime meridian, measured in degrees.
• meridian noun An imaginary line running from the North Pole to the South Pole, used to measure longitude.

Senses

meridian is used for these senses in English:

• longitude (geography, astronomy) Any imaginary line perpendicular to the equator and part of a great circle passing through the North Pole and South Pole.
• meridian (also, geography) In full terrestrial meridian: a great circle on the Earth's surface, passing through the geographic poles (the terrestrial North Pole and South Pole); also, half of such a circle extending from pole to pole, all points of which have the same longitude. [from 14th c.]

meridian — full definition

1. noun An imaginary line running from the North Pole to the South Pole, used to measure longitude.
2. noun The highest or most successful point of something; its peak.
3. noun In traditional Chinese medicine, one of the pathways along which life energy (qi) is said to flow through the body.

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