The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of various small, long-tailed, arboreal monkeys of the genera Leontideus and Saguinus of Central and South America, closely related to and resembling the marmosets but having a larger body, longer limbs, and lower canines that extend well beyond the incisors.
n. One of a family of squirrel-sized South American monkeys.
the GNU version of the Collaborative International Dictionary of English
n. Any one of several species of small squirrel-like South American monkeys of the genus Midas, especially Midas ursulus.
The Century Dictionary and Cyclopedia
n. One of the small squirrel-monkeys of South America; a marmoset of the genus Midas, as M. leoninus, the lion tamarin; M. rosalia, the silky tamarin, or marikina; M. ursulus, the negro tamarin, etc.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. small South American marmoset with silky fur and long nonprehensile tail
Word Usage
"“If music based on tamarin calls can alter their behavior, then our ancestors would have been able to use similar components of music to influence one another, and perhaps simple words to name things or to express actions.”"