of or relating to a genus (Australopithecus) of extinct hominids from E and S Africa that walked upright
noun
an australopithecine hominid
See australopithecine in American Heritage Dictionary 4
(ô-strāˌlō-pĭthˈĭ-sēnˌ, -sīnˌ)
noun
Any of several extinct humanlike primates of the genus Australopithecus, known chiefly from Pleistocene fossil remains found in southern and eastern Africa.
adjective
Of, relating to, or characteristic of these extinct humanlike primates.