Pan troglodytes troglodytes pant·rog·lo·dytestroglodytes uncommon noun 1. black-faced chimpanzees of central Africa; closely related to eastern chimpanzees Synonymscentral chimpanzeePan troglodytes troglodytes Related words Broader terms chimpanzee WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.