noun Zy·zo·mys \ˈzīzəˌmis\

Definition of Zyzomys

  1. :  a genus of small Australian murid rodents characterized externally by short rounded ears and long slightly tufted tail which is usually all white and by upper molar teeth in which the outermost of the usual three tubercles constituting the cross crests is practically absent

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 zyzomys

New Latin, alteration of Zygomys, from zyg- + -mys

Seen and Heard

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


to cast off or become cast off

Get Word of the Day daily email!