D defs.my
Entry 1 sense Webster, 1913

Nightgown

· Night·gown · IPA /ˈnaɪtˌɡaʊn/
01 n. A loose gown used for undress; also, a gown used for a sleeping garment.
  1. 1.
    A loose gown used for undress; also, a gown used for a sleeping garment.