mattress
/ˈmætɹɪs/
noun 3verb 1
Collocations
7(noun.)
ADJ
double, single | comfortable | firm, hard | soft
lumpy, sagging
After sleeping on that lumpy mattress for a week, my back was really sore.
PREP
on a/the ~
My back feels better after sleeping on a new mattress for a week.
under a/the ~
I found my lost keys hidden under the mattress where I had stuffed them months ago.
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