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.

(transitive) To cover with a thick layer, like a mattress; to blanket.

plural of mattress

Having a mattress or mattresses.

simple past tense and past participle of mattress

present participle of mattress

A mattress that is inflated with air, and used as a temporary or permanent bed.

(US) A mattress that fits a standard-sized baby crib.

(idiomatic) To go to war; to use ruthless tactics; to act without restraint.

plural of crib mattress