Occurring before the appearance of human beings, esp. in the evolutionary stage immediately preceding the development of modern humans; denoting or…

Of, relating to or designating such primates.

Living or occurring before the appearance of humankind; = prehuman, adj.

Of or relating to prehominids; of the nature of a prehominid.

Of, relating to, or characteristic of hominines (sense B. 2); belonging to the subfamily Homininae.