'Gribble' definitions:

Definition of 'Gribble'

From: GCIDE

Gribble \Grib"ble\, n. [Cf. Prov. E. grib to bite.] (Zool.) 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. [1913 Webster]