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Proper noun[edit]


  1. (obsolete) A taxonomic division within the order 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.
    • 1871, Charles Darwin, Descent of Man:
      WITH mankind the differences between the sexes are greater than in most of the Quadrumana, but not so great as in some, for instance, the mandrill.

Coordinate terms[edit]