Definition of red-handed tamarin in US English:

red-handed tamarin

noun

  • A tamarin, Saguinus midas, of northern Brazil and the Guianas, which has black fur with reddish marbling on the lower back and (in the nominate subspecies) reddish or yellow hands and feet; also called Negro tamarin.

Origin

Mid 19th century; earliest use found in William Jardine (1800–1874), naturalist.