We don't have synonyms for mattresses yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are mattress, actresses and buttresses.
(n) :
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.
(n) :
A form of retaining wall used to support foundations or an embankment
(n) :
A form of lagging, in particular for boilers.
(v) :
(transitive) To cover with a thick layer, like a mattress; to blanket.
(n) :
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.
(n) :
A form of retaining wall used to support foundations or an embankment
(n) :
A form of lagging, in particular for boilers.
(v) :
(transitive) To cover with a thick layer, like a mattress; to blanket.