The Collaborative International Dictionary
Limnoria terebrans
Gribble \Grib"ble\, n. [Cf. Prov. E. grib to bite.] (Zo["o]l.) A small marine isopod crustacean ( Limnoria lignorum or Limnoria terebrans), which burrows into and rapidly destroys submerged timber, such as the piles of wharves, both in Europe and America.