'Leontopithecus' definitions:

Definition of 'Leontopithecus'

From: GCIDE

Leontocebus \Leontocebus\ prop. n. A genus of marmosets including some of the tamarins. Called also {Leontopithecus} and {Leontideus}.
Syn: genus Leontocebus, genus Leontideus, genus Leontopithecus. [WordNet 1.5]