Shipworm

[ʃipwә:m]

Definition

(noun.) wormlike marine bivalve that bores into wooden piers and ships by means of drill-like shells.

Editor: Moore--From WordNet

Definition

(n.) Any long, slender, worm-shaped bivalve mollusk of Teredo and allied genera. The shipworms burrow in wood, and are destructive to wooden ships, piles of wharves, etc. See Teredo.

Checker: Myrna