Checking saved dictionary data and trusted language sources. This will stop automatically if a source does not respond.
/ˈmætɹɪs/ · noun
A pad on which a person can recline and sleep, usually having an inner section of coiled springs covered with foam or other cushioning material then enclosed with cloth fabric..
Spun glass mattresses are used for lagging the boiler, which has three Ross pop safety valves on the front ring.
The boiler and firebox are lagged with a lightweight Fibreglass mattress.
A comfortable litter of pine needles had mattressed the ground and spreading branches had been a canopy overhead.
Use mattress when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Mattress means A pad on which a person can recline and sleep, usually having an inner section of coiled springs covered with foam or other cushioning material then enclosed with cloth fabric..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Spun glass mattresses are used for lagging the boiler, which has three Ross pop safety valves on the front ring.
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.