Only New World monkey with a short tail

• S. A. monkey: Var
• Medium-sized tree-dwelling monkey of the Amazon basin

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Uakari \Ua*ka"ri\, n. (Zo["o]l.) Same as Ouakari .

WordNet Word definitions in WordNet
n. medium-sized tree-dwelling monkey of the Amazon basin; only New World monkey with a short tail

Wiktionary Word definitions in Wiktionary
n. Any of several arboreal monkeys, of the genus (taxlink Cacajao genus noshow=1), from the Amazon basin.

Wikipedia Word definitions in Wikipedia
Uakari is the common name for the New World monkeys of the genus Cacajao . Both the English and scientific names are believed to have originated from indigenous languages. The uakaris are unusual among New World monkeys in that the tail length (15-18 cm) ...