a bar or tavern catering to a clientele composed chiefly of single men and women, especially those seeking a lover or spouse.
Origin of singles bar
First recorded in 1965–70
Also called dating bar.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for singles bar
a bar or club that is a social meeting place for single people
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