Southing

(p. pr. & vb. n.) of South

(n.) Tendency or progress southward; as, the southing of the sun.

(n.) The time at which the moon, or other heavenly body, passes the meridian of a place.

(n.) Distance of any heavenly body south of the equator; south declination; south latitude.

(n.) Distance southward from any point departure or of reckoning, measured on a meridian; -- opposed to northing.

整理:洛厄尔