plural noun

Definition of Heteromyidae

: a family of New World rodents having fur-lined external cheek pouches, large eyes, well developed ears, elongated hind limbs and tail adapted to leaping and balancing, and the ability to live on dry food and depending on metabolic water to survive under extreme desert conditions — see pocket mouse

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!

History and Etymology for Heteromyidae

New Latin, from Heteromys, type genus + -idae

Keep scrolling for more

Learn More about Heteromyidae

Statistics for Heteromyidae

Cite this Entry

“Heteromyidae.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Heteromyidae. Accessed 26 January 2020.

Comments on Heteromyidae

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


to express in a more acceptable way

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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