パジャマ

noun, noun which may take the genitive case particle 'no'

pajamas; pyjamas

Refers to sleepwear, typically a two-piece set. Can also be used attributively with の to describe pajama-like items.

• 新あたらしいパジャマを買かった。

  I bought new pajamas.

• パジャマ姿すがたで朝あさごはんを食たべた。

  I ate breakfast in my pajamas.