from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Clothes for wearing to bed and sleeping in, usually consisting of a loose-fitting shirt and pants/trousers.
- n. Loose-fitting trousers worn by both sexes in various southern Asian countries including India.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. Originally, in India, loose drawers or trousers, such as those worn, tied about the waist, by Mohammedan men and women; by extension, a similar garment adopted among Europeans, Americans, etc., for wear in the dressing room and during sleep; also, a suit consisting of drawers and a loose upper garment for such wear.
from The Century Dictionary and Cyclopedia
- Loose drawers or trousers, usually of silk or silk and cotton, tied round the waist with a cord, used by both sexes in India, and adopted from the Mohammedans by Europeans as a chamber garment.
From the Persian پايجامه (pây-jâma, "leg garment") via Urdu/Hindi पैजामा. (Wiktionary)