from Wiktionary, Creative Commons Attribution/Share-Alike License
- 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.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. 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.
from The Century Dictionary and Cyclopedia
- Same as pajamas.
From the Persian/Urdu پايجامه ("leg garment") via Hindi पैजामा. (Wiktionary)