equinoctial

the equinoctial colure

二分圈， 昼夜平分圈

astronomy) the equinoctial point that lies in the constellation of Virgo.

黄道与天赤道相点，自此太阳向南运动。

astronomy) the equinoctial point that lies in the constellation of Pisces.

黄道与天赤道相点，太阳向北移动。

A violent equinoctial gale had come up, which had first staved in a grating and a porthole on the larboard side, and damaged the foretop-gallant-shrouds;

阵暴风吹来，使船头左侧和扇舷窗破裂，并且损坏了前桅绳索栓柱。