from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various wormlike marine mollusks of the genera Teredo and Bankia, having rudimentary bivalve shells with which they bore into wood, especially the submerged timbers of ships and wharves, often doing extensive damage.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several wormlike marine mollusks (not true worms) of the family Teredinidae, that bore through the wooden hulls of ships and other woody material entering the sea.
from the GNU version of the Collaborative International Dictionary of English
- 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.
from The Century Dictionary and Cyclopedia
- n. A bivalve mollusk of the genus Teredo, especially T. navalis, which bores into and destroys the timber of ships, piles, and other submerged woodwork; a ship-borer. It has very long united siphons, and thus looks like a worm. See Tere dinidæ and Teredo.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. wormlike marine bivalve that bores into wooden piers and ships by means of drill-like shells
Sorry, no etymologies found.