(usually in the plural) Each of the two large fleshy halves of the posterior part of the body between the base of the back, the perineum and the top of the legs.

plural of buttock.

(in combination) Having some specific type of buttocks

(mining, historical) A worker who gets coal off at a longwall face.

plural of buttocker

(aviation, ship-building) A curve indicating the shape of an airfoil or nautical equivalent in a vertical plane parallel to the longitudinal axis of the craft or vessel.

plural of cross-buttock

(wrestling) A throw in which the wrestler turns his left side to his opponent, places his left leg across both legs of his opponent, and pulls him forward over his hip.

plural of buttock line

(Scotland, historical, colloquial) A fine imposed by the church for sexual intercourse out of wedlock.