The Collaborative International Dictionary of English v.0.48:
Bath \Bath\ (b[.a]th; 61), n.; pl. Baths (b[.a][th]z). [AS.
b[ae][eth]; akin to OS. & Icel. ba[eth], Sw., Dan., D., & G.
bad, and perh. to G. b[aum]hen to foment.]
1. The act of exposing the body, or part of the body, for
purposes of cleanliness, comfort, health, etc., to water,
vapor, hot air, or the like; as, a cold or a hot bath; a
medicated bath; a steam bath; a hip bath.
2. Water or other liquid for bathing.
3. A receptacle or place where persons may immerse or wash
their bodies in water.
4. A building containing an apartment or a series of
apartments arranged for bathing.
Among the ancients, the public baths were of amazing
extent and magnificence. --Gwilt.
5. (Chem.) A medium, as heated sand, ashes, steam, hot air,
through which heat is applied to a body.
6. (Photog.) A solution in which plates or prints are
immersed; also, the receptacle holding the solution.
Note: Bath is used adjectively or in combination, in an
obvious sense of or for baths or bathing; as, bathroom,
bath tub, bath keeper.
Douche bath. See Douche.
Order of the Bath, a high order of British knighthood,
composed of three classes, viz., knights grand cross,
knights commanders, and knights companions, abbreviated
thus: G. C. B., K. C. B., K. B.
Russian bath, a kind of vapor bath which consists in a
prolonged exposure of the body to the influence of the
steam of water, followed by washings and shampooings.
Turkish bath, a kind of bath in which a profuse
perspiration is produced by hot air, after which the body
is washed and shampooed.
Bath house, a house used for the purpose of bathing; --
also a small house, near a bathing place, where a bather
undresses and dresses.