UK and ANZ, [US and ANZ] air mattress [noun] [C] - a large rectangular rubber or plastic bag which you fill with air so that you can lie on it in water or use it as a bedHe used a pump to inflate his airbed.She floated lazily round the pool on an airbed.
AIRBED
Meaning of AIRBED in English
Cambridge English vocab. Кембриджский английский словарь. 2012