n.
Pronunciation: b ə - ' n ō -b ō ; ' bä-n ə -b ō , -n ō -
Function: noun
Inflected Form: plural -bos
Etymology: origin unknown
Date: 1954
: a rare anthropoid ape ( Pan paniscus ) that has a more slender build and longer limbs than the related common chimpanzee ( P. troglodytes ) and that inhabits a small geographic region in equatorial Africa south of the Congo River ― called also pygmy chimpanzee