See inequality, secular.
A small irregularity in the motions of planets, which becomes important only after a long lapse of y...
The Sailor's Word-Book
·noun An irregularity, or a deviation, in the motion of a planet or satellite from its uniform mean ...
Webster's Dictionary of the English Language
·adj Belonging to the laity; lay; not clerical. II. Secular ·noun A layman, as distinguished from a...
See variation of the moon. ...
See acceleration // of the moon. ...