- a woman's formal dress, usually having a floor-length skirt.
Also called gown.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for evening gown
Then, during the evening-gown competition, she tripped on her dress.15 Hilarious Pageant Moments
June 18, 2013
Rachel Smith At the Miss Universe 2007 pageant, Miss USA, Rachel Smith, tripped over her hem during the evening-gown competition.Carrie Ann Inaba, Justin Bieber & More Celebrity Stumbles (VIDEO)
The Daily Beast Video
October 24, 2012