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.-intellectual exertion; mental effort; as, the labor of compiling a history.-that which requires hard work for its accomplishment; that which demands effort.-travail; the pangs and efforts of childbirth.-any pang or distress.-the pitching or tossing of a vessel which results in the straining of timbers and rigging.-a measure of land in mexico and texas, equivalent to an area of 177/ acres.-to exert muscular strength; to exert one's strength with painful effort, particularly in servile occupations; to work; to toil.-to exert one's powers of mind in the prosecution of any design; to strive; to take pains.-to be oppressed with difficulties or disease; to do one's work under conditions which make it especially hard, wearisome; to move slowly, as against opposition, or under a burden; to be burdened; -- often with under, and formerly with of.-to be in travail; to suffer the pangs of childbirth.-to pitch or roll heavily, as a ship in a turbulent sea.-to work at; to work; to till; to cultivate by toil.-to form or fabricate with toil, exertion, or care.-to prosecute, or perfect, with effort; to urge stre/uously; as, to labor a point or argument.-to belabor; to beat.