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
News reports described the source of the prolonged burning as mattresses that had been stored in a brick warehouse.
—
Jacques Kelly, Baltimore Sun, 7 June 2025
The medium-firm mattress is also just as comfortable as typical firm mattresses, according to Kellogg.
—Nashia Baker, Architectural Digest, 30 May 2025
Shoppers can customize the firmness of any mattress and even opt to add on a cooling pillow top layer, ideal for hot sleepers.
—Maggie Horton, People.com, 23 May 2025
Make every moment of slumber count with a mattress designed with continuous airflow for safe sleeping.
—Pamela Brill, Parents, 22 May 2025
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Jacques Kelly, Baltimore Sun, 7 June 2025
The medium-firm mattress is also just as comfortable as typical firm mattresses, according to Kellogg.
—Nashia Baker, Architectural Digest, 30 May 2025
Shoppers can customize the firmness of any mattress and even opt to add on a cooling pillow top layer, ideal for hot sleepers.
—Maggie Horton, People.com, 23 May 2025
Make every moment of slumber count with a mattress designed with continuous airflow for safe sleeping.
—Pamela Brill, Parents, 22 May 2025
See All Example Sentences for mattress
Cite this Entry
“Mattress.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mattress. Accessed 12 Jun. 2025.
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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