Definition of poop

• n. - See 2d Poppy.
• v. i. - To make a noise; to pop; also, to break wind.
• n. - A deck raised above the after part of a vessel; the hindmost or after part of a vessel's hull; also, a cabin covered by such a deck. See Poop deck, under Deck. See also Roundhouse.
• v. t. - To break over the poop or stern, as a wave.
• v. t. - To strike in the stern, as by collision.