pithecanthropoid adjective 1noun 1forms 1 adjective1 •Pertaining to or characteristic of the pithecanthropoids.God! those carrion black pits of sawed, picked bones and opened skulls! Those nightmare chasms choked with the pithecanthropoid, Celtic, Roman, and English bones of countless unhallowed centuries! — 1924 noun1 •One of the first species of hominid that is considered truly human, originally classed as genus Pithecanthropus but now classed as genus Homo.And about 40,000 generations separate the australopithecines from their successors, the pithecanthropoids, whom we think of as the first animals that indisputably must be classed as men. — 1969 formspithecanthropoids
