Piper

·noun ·see Pepper.

II. Piper ·noun One who plays on a pipe, or the like, ·esp. on a bagpipe.

III. Piper ·noun A sea urchin (Goniocidaris hystrix) having very long spines, native of both the American and European coasts.

IV. Piper ·noun A common European gurnard (Trigla lyra), having a large head, with prominent nasal projection, and with large, sharp, opercular spines.