pyjama(n = noun.artifact) pajama - a pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries; Array
pyjama, n. [Hind. pāe-jāma, literally, leg clothing.].
In India and Persia, thin loose trowsers or drawers; in Europe and America, drawers worn at night, or a kind of nightdress with legs. Usually used in the plural. See pajamas. [1913 Webster]