ship·worm /-ˌwɝm/
船蛆
Ship·worm n. Zool. 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.
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shipworm
n : wormlike marine bivalve that bores into wooden piers and
ships by means of drill-like shells [syn: teredinid]