Definify.com
Webster 1913 Edition
Gribble
Grib′ble
,Noun.
[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.