The Collaborative International Dictionary
nightrobe
nightrobe \night"robe`\, night-robe \night"-robe`\n. 1. A loose dress designed to be worn in bed by women; a nightgown.
Syn: nightgown, nightie, nightdress.
Wiktionary
nightrobe
n. A robe to be worn at night; a nightgown.
Usage examples of "nightrobe".
She had changed into a nightrobe, but seemed too listless to finish the job by sliding between the sheets.