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airbed

noun [C]
 
/ˈeə.bed/ US  /ˈer-/ UK (US air mattress)

Definition

a large, rectangular rubber or plastic bag that you fill with air so that you can lie on it in water or use it as a bedBeds and parts of beds
(Definition of airbed noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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