Sentence:  He draws eclectically on studies of <WSD>baboons</WSD>, descriptive anthropological accounts of hunter-gatherer societies and, in a few cases, the fossil record. 
Meaning of the word marked with <WSD> tags:  An Old World monkey of the genus "Papio", having dog-like muzzles and large canine teeth, cheek pouches, a short tail, and naked callosities on the buttocks.