Definition of Pyjama

Noun: pyjama pu'jaa-mu or pu'ja-mu

A pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries
- pajama
(usually plural) loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers
- pajama, pj's, jammies [N. Amer], jim-jams [Brit]