Quadrumana


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Quad`ru´ma`na


n. pl.1.(Zool.) A division of the Primates comprising the apes and monkeys; - so called because the hind foot is usually prehensile, and the great toe opposable somewhat like a thumb. Formerly the Quadrumana were considered an order distinct from the Bimana, which last included man alone.
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2) Others expressed their dissent taxonomically by dividing the primates into two main categories: Quadrumana, which accommodated all the monkeys and (other) apes, and Bimana, occupied solely by humans.