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Definition of HOMINID
: any of a family (Hominidae) of erect bipedal primate mammals that includes recent humans together with extinct ancestral and related forms and in some recent classifications the gorilla, chimpanzee, and orangutan
: any bipedal primate mammal of the family Hominidae
Any member of the zoological family Hominidae (order Primates), which consists of the great apes (orangutans, gorillas, chimpanzees, and bonobos) as well as human beings. Formerly, only humans (with their extinct forebears) were categorized as hominids, and the great apes were categorized as pongidsthat is, members of the primate family Pongidae. However, morphological and molecular studies now indicate that humans are closely related to chimpanzees, while gorillas are more distant and orangutans more distant still. As a result, it has become more common among zoologists to consider humans and great apes to be hominids. See alsohominin.