Quadrumana /(?)/

Quad·ru·ma·na

Quadrumana

n. pl.
  1. 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. (Zool.)