From Longman Dictionary of Contemporary Englishpyjamaspy‧ja‧mas British English, pajamas American English /pəˈdʒɑːməz $ -ˈdʒæ-, -ˈdʒɑː-/ ●●○ noun [plural] 1 DCCa soft pair of trousers and a top that you wear in bed striped pyjamas2 DCCRRIloose trousers that are tied around the waist, worn by Muslim men or women —pyjama adjective [only before noun] pyjama bottoms → the cat’s pyjamas at cat(5)
Examples from the Corpus
pyjamas• She was wearing a dressing gown and pyjamas.• Sean Goff goofing around in his pyjamas at the Whiplash 2 comp around 1985.• Still in his pyjamas Brian switched on the fountain, and the sudden spurt of water scared the bird away.• I stripped off my pyjamas and restored them to the rucksack.• It is in two pieces, like a pair of pyjamas.• The pyjamas, creased and oddly old-fashioned looking, hung about his hips with an air of impermanence.• Passengers actually changed into their pyjamas and settled down for the night bunks or convertible seat-beds complete with sheets and blankets. 