Definify.com
Webster 1913 Edition
Grison
Griā²son
,Noun.
(Zool.)
(a)
A South American animal of the family Mustelidae (
Galictis vittata
). It is about two feet long, exclusive of the tail. Its under parts are black. Also called South American glutton
. (b)
A South American monkey (
Lagothrix infumatus
), said to be gluttonous.