A marmoset

• Capuchin monkey relative
• Small monkey
• Marmoset kin
• Glossy-leaved tree of the southern U.S.
• Monkey related to the Chow Chow and the aye-aye?
• South American monkey
• Small monkey with a long tail
• Monkey or tree

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Teetee \Tee"tee\, n. [Sp. tit['i].] (Zo["o]l.) Any one of several species of small, soft-furred South American monkeys belonging to Callithrix , Chrysothrix , and allied genera; as, the collared teetee ( Callithrix torquatus ), and the squirrel teetee ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
type of small South American monkey, 1832, from native name in Tupi, probably imitative.