also air bed
(~s)
An ~ is a plastic or rubber mattress which can be folded or stored flat and which you fill with air before you use it.
N-COUNT
also air bed
(~s)
An ~ is a plastic or rubber mattress which can be folded or stored flat and which you fill with air before you use it.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012