nightdresses

/N AY1 T D R EH0 S AH0 Z/
noun
  1. 1

    A nightgown; female attire designed to be worn to bed.

    โ€œShe was too modest to come downstairs dressed only in her nightdress.โ€

Source: https://en.wiktionary.org/wiki/nightdress, https://en.wiktionary.org/wiki/nightdresses