mat·​tress | \ ˈma-trəs How to pronounce mattress (audio) \

Definition of mattress

1a : 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 : an inflatable airtight sack for use as a 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

EarlySense’s bed sensor sits under the mattress and isn’t attached to the patient. Melanie Evans, WSJ, "Hospital Beds Get Digital Upgrade," 9 Dec. 2018 The ground, the mattresses, the sheets, everything was soaking wet. Amanda Brooks, Vogue, "I Went to the Fyre Festival and All I Got Was This Third-Degree Sunburn," 26 Apr. 2019 Grainy cameras and walkie-talkie-like devices are being upstaged by motion sensors that clip onto diapers or slip beneath mattresses, cameras that track breathing patterns and socks... Julie Jargon, WSJ, "Do the Latest Baby Monitors Ease Fears or Add Anxiety?," 9 Apr. 2019 Bedbugs nest in crevices of mattresses, along baseboards and inside furniture. Julia Terruso,, "What to know about bedbug prevention, treatment," 5 July 2018 This format began with eyeglasses a few years ago and spread to personal care items, fashion, and mattresses. Diana Budds, Curbed, "The rise of the direct-to-consumer home," 21 Dec. 2018 Online mattress slinger Casper is taking it a step further. Janine Wolf / Bloomberg, Time, "You Can Pay to Nap at This Mattress Company's New Store," 11 July 2018 Notable products on sale include the GoWISE 8-in-1 Electric Air Fryer, which is 56 percent off and on sale for $86.51, and Wayfair's popular Lucid gel memory foam mattress, which is currently 72 percent off. Brittney Morgan, House Beautiful, "Wayfair's 4-Day Clearance Sale Is Here, And The Deals Are Amazing," 18 Jan. 2019 The company has three models and two different sizes of teardrop campers, with the largest model boasting a queen memory foam mattress, bug screen, and a pull-out writing desk. Megan Barber, Curbed, "5 lightweight camper trailers you can buy right now," 13 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mattress.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mattress

14th century, in the meaning defined at sense 1a

History and Etymology for mattress

Middle English materas, from Anglo-French, from Medieval Latin materacium, from Arabic maṭraḥ place where something is thrown

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Statistics for mattress

Last Updated

4 Jun 2019

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Time Traveler for mattress

The first known use of mattress was in the 14th century

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More Definitions for mattress



English Language Learners Definition of mattress

: a cloth case that is filled with material and used as a bed


mat·​tress | \ ˈma-trəs How to pronounce mattress (audio) \

Kids Definition of mattress

: a springy pad for use on a bed

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More from Merriam-Webster on mattress

Thesaurus: All synonyms and antonyms for mattress

Spanish Central: Translation of mattress

Nglish: Translation of mattress for Spanish Speakers

Britannica English: Translation of mattress for Arabic Speakers

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