Back :: Back (n.) A large shallow vat; a cistern, tub, or trough, used by brewers, distillers, dyers, picklers, gluemakers, and others, for mixing or cooling wort, holding water, hot glue, etc..
Back :: Back (n.) In human beings, the hinder part of the body, extending from the neck to the end of the spine; in other animals, that part of the body which corresponds most nearly to such part of a human being; as, the back of a horse, fish, or lobster..
Back :: Back (n.) An extended upper part, as of a mountain or ridge..
Back :: Back (n.) The outward or upper part of a thing, as opposed to the inner or lower part; as, the back of the hand, the back of the foot, the back of a hand rail..
Back :: Back (n.) The part opposed to the front; the hinder or rear part of a thing; as, the back of a book; the back of an army; the back of a chimney..
Back :: Back (n.) The part opposite to, or most remote from, that which fronts the speaker or actor; or the part out of sight, or not generally seen; as, the back of an island, of a hill, or of a village..
Back :: Back (n.) The part of a cutting tool on the opposite side from its edge; as, the back of a knife, or of a saw..
Back :: Back (n.) A support or resource in reserve.