Teredo
Pronunciation : Te*re"do, n.; pl. E. Teredos
Part of Speech : L.
Etymology : [L., a worm that gnaws wood, clothes, etc.; akin to Gr. terere to rub.] (Zo?l.)
Definition : Defn: A genus of long, slender, wormlike bivalve mollusks which bore into submerged wood, such as the piles of wharves, bottoms of ships, etc.; -- called also shipworm. See Shipworm. See Illust. in App.
Teredines.
Source : Webster's Unabridged Dictionary, 1913