n. Clothes for wearing to bed and sleeping in, usually consisting of a loose-fitting jacket and trousers.
n. Loose-fitting trousers worn in the Far East by both sexes.
the GNU version of the Collaborative International Dictionary of English
noun-plural. A garment, similar to the Oriental pyjama (which see), adopted among Europeans, Americans, and other Occidentals, for wear in the dressing room and during sleep; also, a suit of drawers and blouse for such wear.
The Century Dictionary and Cyclopedia
Same as pajamas.
Word Usage
"Pyjamas – Canadian winters demand warm pyjamas, and I do believe the penguin pyjamas that my husband so romantically picked up for me last year, are now past their prime."