Longman Dictionary of Contemporary English
Wiktionary
n. A clothes storage cupboard built around a house's hot water system, using the heat to dry damp clothes.
WordNet
n. a warm cupboard where you put newly washed clothes until they are completely dry
Usage examples of "airing cupboard".
From the bathroom airing cupboard he took the pajamas that he kept here and changed into them.
Of course, he might have crawled into the airing cupboard and died .
Of course, he might have crawled into the airing cupboard and died….
On a slatted shelf in the airing cupboard there was a clean enamel bucket.
As they reached the landing, she nearly led him into the airing cupboard.
Two camp beds in one of the bedrooms, spare linen in the airing cupboard on the landing, food still in cardboard boxes, mostly tinned stuff, the refrigerator half-full, six-packs of lager, bottles of vodka.
She was already sure that,when she explored properly upstairs, she'd find the wardrobes,the airing cupboard, even the bathroom cabinets, asclean as a surgeon's glove.
Warlock gave a final deprecatory glance at the twisted, sealed-off plumbing, peered briefly into an empty airing cupboard, then went again to the cabinet.