[1] : The Collaborative International Dictionary of English v.0.48

pyjama \pyja"ma\, n. hind. p=ae-j=ama, 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. written also paijama pajama. chiefly
   british variant of pajama.
   1913 webster +pjc pyjamas
see also:
pajamas paijama pajama 

[2] : WordNet (r) 2.0

pyjama
     n : a pair of loose trousers tied by a drawstring around the
         waist; worn by men and women in some asian countries

Pyjama >> P Words
Pyjama, definition of term: Pyjama
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