Australopithecus

noun

Aus·​tra·​lo·​pith·​e·​cus
-ˈpithikəs
: a genus of extinct early hominids of southern and eastern Africa comprising the australopithecines when considered to include both the gracile and robust forms
The advanced prehuman Australopithecus first appears in the middle Pliocene, 3.5 million years ago …John Van Couvering, Natural History, June 1992
Two or more species of hominids did coexist in the past, when the Australopithecus man-apes in addition to an early Homo lived in Africa.Edward O. Wilson, Sociobiology, 1980

Note: The genus Australopithecus often includes only the gracile australopithecines with the robust forms being placed in the genus Paranthropus.

Word History

Etymology

New Latin, from Latin australis southern + New Latin -o- + -pithecus

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near Australopithecus

Cite this Entry

“Australopithecus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Australopithecus. Accessed 22 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!