Definitions for saimiri
Saimiri, genus Saimiri(noun)
A taxonomic genus of South American arboreal monkeys comprising the squirrel monkeys.
Origin: Portuguese, literally, little monkey
U.S. National Library of Medicine
A genus of the family CEBIDAE consisting of four species: S. boliviensis, S. orstedii (red-backed squirrel monkey), S. sciureus (common squirrel monkey), and S. ustus. They inhabit tropical rain forests in Central and South America. S. sciureus is used extensively in research studies.