PYJAMA
pajama, pyjama, pj's, jammies
(noun) (usually plural) loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers
pajama, pyjama
(noun) a pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries
Source: WordNet® 3.1
Noun
pyjama
(British) attributive form of pyjamas
Source: Wiktionary
Py*ja"ma, n. Etym: [Hind. pae-jama, literally, leg clothing.]
Definition: In India and Persia, thin loose trowsers or drawers; in Europe
and America, drawers worn at night, or a kind of nightdress with
legs. [Written also paijama.]
Source: Webster’s Unabridged Dictionary 1913 Edition