a multi-coloured flag used as a symbol of peace; often used to represent gay and lesbian pride
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
How to use rainbow flag in a sentence
Because the marketing of the screening included a rainbow flag and said it was to be the kickoff of “LGBT Awareness Month.”Catholic University’s Harvey Milk Ban Reflects A Church In Transition | Jay Michaelson | October 3, 2014 | THE DAILY BEAST
He also wore a badge that said “kuchu” (meant to represent “gay” in a Ugandan language) and carried a rainbow flag.
The brief shot of the couple, hands interlocked, was followed by footage of the candidate holding a rainbow flag.
I loved seeing that picture of you holding the rainbow flag in front of the Kremlin.Tilda Swinton Blasts Putin at SXSW, Discusses ‘Only Lovers Left Alive’ and ‘My Cousin’ David Bowie | Marlow Stern | March 11, 2014 | THE DAILY BEAST
The rainbow flag hit a black hole, however, when it came to Fox News.