Index of English words, starting with "pi"

(1) - Piper (n.) A sea urchin (Goniocidaris hystrix) having very long spines, native of both the American and European coasts.
(2) - Piper (n.) A common European gurnard (Trigla lyra), having a large head, with prominent nasal projection, and with large, sharp, opercular spines.
(3) - Piper (n.) One who plays on a pipe, or the like, esp. on a bagpipe.
(4) - Piper (n.) See Pepper.

(1) - Piperidine (n.) An oily liquid alkaloid, C5H11N, having a hot, peppery, ammoniacal odor. It is related to pyridine, and is obtained by the decomposition of piperine.

(1) - Piperine (n.) A white crystalline compound of piperidine and piperic acid. It is obtained from the black pepper (Piper nigrum) and other species.