plural mattresses
1
a
: a fabric case filled with resilient material (such as cotton, hair, feathers, foam rubber, or an arrangement of coiled springs) used either alone as a bed or on a bedstead
b
: a soft, airtight case that is designed to be inflated and used as a bed : air mattress
2
: a device (as of interwoven brush and poles) used to protect a shoreline, bank, or streambed from erosion
Examples of mattress in a Sentence
Recent Examples on the Web
This approach disguises the fact that your primary bedroom has two mattresses in it, while bringing in a dash of luxury.
—
Michelle Mastro, The Spruce, 7 Feb. 2026
Saatva may be known for their mattresses, but don’t overlook the brand’s percale bedding suited for a cool night’s rest.
—Yelena Moroz Alpert, Architectural Digest, 7 Feb. 2026
Thousands of touchpoints across the surface are there to hug and contour your sleeping self, and the topper’s thick straps are ones that won’t pop off your mattress after a particularly restless night.
—Stacia Datskovska, Footwear News, 6 Feb. 2026
One counselor broke a side window with a camper's trunk, and the campers floated out on mattresses.
—Claire Osborn, Austin American Statesman, 6 Feb. 2026
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Michelle Mastro, The Spruce, 7 Feb. 2026
Saatva may be known for their mattresses, but don’t overlook the brand’s percale bedding suited for a cool night’s rest.
—Yelena Moroz Alpert, Architectural Digest, 7 Feb. 2026
Thousands of touchpoints across the surface are there to hug and contour your sleeping self, and the topper’s thick straps are ones that won’t pop off your mattress after a particularly restless night.
—Stacia Datskovska, Footwear News, 6 Feb. 2026
One counselor broke a side window with a camper's trunk, and the campers floated out on mattresses.
—Claire Osborn, Austin American Statesman, 6 Feb. 2026
See All Example Sentences for mattress
Cite this Entry
“Mattress.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mattress. Accessed 14 Feb. 2026.
Copy CitationKids Definition
mattress
noun
mat·tress
ˈma-trəs 
1
: a fabric case filled with springy material used as a bed or on a bedstead
2
: a sack that can be filled with air or water and used as a mattress
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