plural noun

: a family of platyrrhine monkeys comprising all the New World monkeys except the marmosets and tamarins, having one more pair of molar teeth in each jaw than the marmosets and usually a long prehensile tail, and constituting with the marmosets a superfamily that includes all the New World monkeys compare platyrrhina

Word History


New Latin, from Cebus, type genus + -idae

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 Cebidae

Cite this Entry

“Cebidae.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2024.

Love words? Need even more definitions?

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