1. small soft-furred South American and Central American monkey with claws instead of nails;
The Collaborative International Dictionary of English v.0.48:
Marmoset \Mar"mo*set`\ (m[aum]r"m[-o]*z[e^]t`; 277), n. [F.
marmouset a grotesque figure, an ugly little boy, prob. fr.
LL. marmoretum, fr. L. marmor marble. Perhaps confused with
marmot. See Marble.] (Zool.)
Any one of numerous species of small South American monkeys
of the genera Hapale and Midas, family Hapalidae. They
have long soft fur, and a hairy, nonprehensile tail. They are
often kept as pets. Called also squirrel monkey.
WordNet (r) 3.0 (2006):
n 1: small soft-furred South American and Central American
monkey with claws instead of nails