Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun line_of_longitude
1 sense of line of longitude
Sense 1
meridian, line of longitude -- (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")
=> great circle -- (a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center)