pajamas
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.
noun pluralOriginally, 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.
nounLoose-fitting