cat litter

noun

plural cat litters
: an absorbent usually coarse substance used in litter boxes

called also kitty litter

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of cat litter was in 1950

Browse Nearby Words

Cite this Entry

“Cat litter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cat%20litter. Accessed 5 Mar. 2026.

Last Updated: - Entry added
Love words? Need even more definitions?

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

More from Merriam-Webster