pajama

noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about pajama at Wordnik → Where our words come from →

1. A pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries.
2. (usually plural) loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers.