noun ·see 2d poppy.
2. poop ·vt to strike in the stern, as by collision.
3. poop ·vt to break over the poop or stern, as a wave.
4. poop ·vi to make a noise; to pop; also, to break wind.
5. poop ·noun 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.