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nightdress

American  
[nahyt-dres] / ˈnaɪtˌdrɛs /

noun

  1. nightclothes.

  2. a nightgown.

nightdress British  
/ ˈnaɪtˌdrɛs /

noun

  1. Also called: nightgown.   nightie.  a loose dress worn in bed by women

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of nightdress

First recorded in 1705–15; night + dress

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.