Also spelled night-gown
noun
Freq #17161
Meanings
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1
noun
a loose garment, especially a dresslike one, worn in bed
She put on a cotton nightgown before going to sleep.
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2
noun
historical: a loose informal robe or dressing gown
He received the early visitor while still wearing his nightgown.
Thesaurus
Synonyms
Etymology
From Middle English nyght gowne, a compound of night + gown. The word first covered several loose garments worn informally at night and later narrowed chiefly to a sleeping garment, especially a dresslike one.