Any member of the clade Simiiformes not also of the clade Hominoidea containing humans and apes, from which they are usually, but not universally, distinguished by smaller size, a tail, and cheek pouches, In the most general sense, any one of the Quadrumana, including apes, baboons, and lemurs, One who behaves in a way suggestive of a monkey, as a mischievous child or a mimic, intransitive verb_ To play, fiddle, trifle, or tamper with something, To imitate or mimic; ape, To behave in a mischievous or apish manner, verb_ To act or treat as a monkey does; to ape; to act in a grotesque or meddlesome manner, [Colloq.] to handle in a meddlesome manner