shipworm

/ˈʃɪpˌwɜrm/
noun
  1. A marine mollusk with a long, wormlike body that burrows into and damages wooden ships, docks, and other underwater structures.
    • The old wooden pier was infested with shipworms and had to be replaced.
    • Marine biologists study shipworms to understand how they digest wood.
    • Shipworms can cause serious damage to wooden hulls if not treated.
Synonyms
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