piddock

Any of several marine bivalve mollusks of the family Pholadidae, having a long rasping shell used to bore into wood, rock, and clay, and often damaging jetties and wharves.

A mollusk of the genus Pholas or family Pholadidæ; especially, a name of those species which are found in British waters, used rarely for food but much for bait, as P. dactylus; a pholad.

Any species of Pholas; a pholad. See pholas.

Any of the bivalve molluscs of the genus Pholas or family Pholadidae, which burrow into soft rocks.

marine bivalve that bores into rock or clay or wood by means of saw-like shells