hispid cotton rat

noun

Definition of hispid cotton rat

: a cotton rat (Sigmodon hispidus) of the southern and central U.S. that has a grizzled coat of dark hairs interspersed with buff or grayish hairs, nests on the ground or in burrows, eats primarily green vegetation, and is sometimes used in medicine as an animal model in the study of infectious disease (such as polio and influenza)

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!

First Known Use of hispid cotton rat

1905, in the meaning defined above

Keep scrolling for more

Learn More About hispid cotton rat

Time Traveler for hispid cotton rat

Time Traveler

The first known use of hispid cotton rat was in 1905

See more words from the same year

Dictionary Entries Near hispid cotton rat

hispid

hispid cotton rat

hispidulous

See More Nearby Entries 

Statistics for hispid cotton rat

Cite this Entry

“Hispid cotton rat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hispid%20cotton%20rat. Accessed 3 Aug. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

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