Noun
A South African monkey (Cercopithecus pygerythrus, / Lelandii). The upper parts are grayish green, finely specked with black. The cheeks and belly are reddish white.
Source: Webster's dictionaryJust this past January, a study was published showing vervet monkeys who ingested a lifetime’s worth of BMAA grew large “tangles” in the brain consistent with those found in Alzheimer’s patients in a shockingly brief amount of time. Source: Internet
The vervet monkey's cage in which he was, was completely unacceptable. Source: Internet