lion monkey lion·mon·key uncommon noun 1. small South American marmoset with silky fur and long nonprehensile tail Synonymstamarinlion monkeylion marmosetleoncita Related words Broader terms marmoset Narrower terms silky tamarinpinche Parts Leontocebus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
