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 bed frame
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 prevents stains or dirt from coming into contact with the mattress.
—
Ashlyn Needham, Southern Living, 16 May 2026
If your mattress has been feeling a little too firm lately, this pillowy mattress topper is an easy fix without buying a whole new bed.
—Jeaneen Russell, PEOPLE, 15 May 2026
Margot’s room is dark and dingy, more like a cell with its anti-suicide windows, and the mattress shows unsavory traces of what looks very much like blood.
—Damon Wise, Deadline, 15 May 2026
Instead of testing a mattress under store lighting and time pressure, customers are evaluating it at home, where factors like room layout, lighting, and general comfort can influence the decision.
—Wyles Daniel, Fort Worth Star-Telegram, 14 May 2026
See All Example Sentences for mattress
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Ashlyn Needham, Southern Living, 16 May 2026
If your mattress has been feeling a little too firm lately, this pillowy mattress topper is an easy fix without buying a whole new bed.
—Jeaneen Russell, PEOPLE, 15 May 2026
Margot’s room is dark and dingy, more like a cell with its anti-suicide windows, and the mattress shows unsavory traces of what looks very much like blood.
—Damon Wise, Deadline, 15 May 2026
Instead of testing a mattress under store lighting and time pressure, customers are evaluating it at home, where factors like room layout, lighting, and general comfort can influence the decision.
—Wyles Daniel, Fort Worth Star-Telegram, 14 May 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 22 May. 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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