meridian | (n) an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator, Syn. line of longitude |
经线 | [经 线 / 經 線] warp; line of longitude; meridian (geography) #66,355 [Add to Longdo] |
经圈 | [经 圈 / 經 圈] line of longitude; meridian (geography) [Add to Longdo] |