in the most general sense, any one of the quadrumana, including apes, baboons, and lemurs.-any species of quadrumana, except the lemurs.-any one of numerous species of quadrumana (esp. such as have a long tail and prehensile feet) exclusive of apes and baboons.-a term of disapproval, ridicule, or contempt, as for a mischievous child.-the weight or hammer of a pile driver, that is, a very heavy mass of iron, which, being raised on high, falls on the head of the pile, and drives it into the earth; the falling weight of a drop hammer used in forging.-a small trading vessel of the sixteenth century.-to act or treat as a monkey does; to ape; to act in a grotesque or meddlesome manner.