shipworm(redirected from Pileworm)
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shipwormany marine bivalve mollusc such as Teredo, that bores into woodwork by rotary action of the two shell valves and swallows the sawdust, which is then attacked by special enzymes that make possible the digestion of cellulose.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005