1.Physical toil or bodily exertion, especially when fatiguing, irksome, or unavoidable, in distinction from sportive exercise; hard, muscular effort directed to some useful end, as agriculture, manufactures, and like; servile toil; exertion; work. "God hath set Labor and rest, as day and night, to men Successive."
2.Intellectual exertion; mental effort; as, the labor of compiling a history.
3.That which requires hard work for its accomplishment; that which demands effort. "Being a labor of so great a difficulty, the exact performance thereof we may rather wish than look for."
4.Travail; the pangs and efforts of childbirth. "The queen's in labor, They say, in great extremity; and feared She'll with the labor end."
6.(Naut.) The pitching or tossing of a vessel which results in the straining of timbers and rigging.
7.A measure of land in Mexico and Texas.
8.(Mining.) A stope or set of stopes. (Sp. Amer.)