noun Sci·urus \sīˈ(y)u̇rəs\

Definition of Sciurus

  1. :  the type genus of Sciuridae formerly including all the squirrels but now restricted to a cosmopolitan group of typical moderate sized arboreal squirrels

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 sciurus

New Latin, from Latin, squirrel — more at squirrel

Seen and Heard

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


capable of being understood in two ways

Get Word of the Day daily email!