Source: The Collaborative International Dictionary of English v.0.48
bonobo \bo*no"bo\ (b[-o]*n[=o]"b[=o]), n.
An anthropoid ape (Pan paniscus), resembling but smaller
than the common chimpanzee (Pan troglodytes); -- called
also pygmy chimpanzee. It is found in the forests of Zaire.
Its genome is the closest known to humans, differing by less
than 2% in nucleotide sequence.
Syn: pygmy chimpanzee, pygmy chimp.
[PJC]