marine borer

marine borer noun

1. any mollusc or crustacean that lives usually in warm seas and destroys wood by boring into and eating it. The gribble and shipworm are the best known since they penetrate any wood in favourable waterSee also piddock

Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012