Definition of cuscus
- a tree-dwelling marsupial with a rounded head and prehensile tail, native to New Guinea and northern Australia.
- Four genera in the family Phalangeridae: several species, including the spotted cuscus (Spilocuscus maculatus) and the grey cuscus (Phalanger orientalis). See also phalanger
mid 17th century: via French and Dutch from a local name in the Molucca Islands