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