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!
Origin and Etymology of heteromyidae
New Latin, from Heteromys, type genus + -idae
Seen and Heard
What made you want to look up Heteromyidae? Please tell us where you read or heard it (including the quote, if possible).