Ardipithecus

play
noun Ar·di·pi·the·cus \ˌär-də-ˈpi-thə-kəs, -pə-ˈthē-\

Definition of Ardipithecus

  1. :  a genus of extinct early hominids known from skeletal remains from northeastern Ethiopia that includes two identified species (A. ramidus and A. kadabba) having a grasping big toe and capable of some form of upright walking The Ardipithecus genus is a group that lived between 5.8 and 4.3 million years ago. — Charles Lockwood, The Human Story, 2008 Originally placed in Australopithecus, Ardipithecus is a genus represented by an accumulating number of specimens from sites like Aramis in the Middle Awash region of Ethiopia. — Holly M. Dunsworth, Human Origins 101, 2007 —sometimes used as a general name for hominids of this genus Its wrists, elbows, feet, and hands suggest that Ardipithecus clambered about in trees by putting weight on the hands. — Jon Cohen, Almost Chimpanzee, 2010

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of ardipithecus

borrowed from New Latin, from Afar ard, ardi “earth, land, ground” (borrowed from Arabic arḍ) + New Latin -pithecus -pithecus


First Known Use: 1995


Seen and Heard

What made you want to look up Ardipithecus? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

feeling or affected by lethargy

Get Word of the Day daily email!