Sweat (?), n. [Cf. OE. swot, AS. swāt. See Sweat, v. i.] 1. (Physiol.) The fluid which is excreted from the skin of an animal; the fluid secreted by the sudoriferous glands; a transparent, colorless, acid liquid with a peculiar odor, containing some fatty acids and mineral matter; perspiration. See Perspiration.
In the sweat of thy face shalt thou eat bread. Gen. iii. 19.
2. The act of sweating; or the state of one who sweats; hence, labor; toil; drudgery. Shak.
3. Moisture issuing from any substance; as, the sweat of hay or grain in a mow or stack. Mortimer.
4. The sweating sickness. Holinshed.
5. (Man.) A short run by a race horse in exercise.
Sweat box(Naut.), a small closet in which refractory men are confined. — Sweat glands(Anat.), sudoriferous glands. See under Sudoriferous.