saki1Pronunciation: /ˈsɑːki/Definition of saki noun (plural sakis) a tropical American monkey with coarse fur and a long bushy non-prehensile tail. Genera Pithecia and Chiropotes, family Cebidae: several species Origin: late 18th century: via French from Tupi sauisaki in other Oxford dictionaries Definition of saki in the US English dictionary