1
US, dated slang
: racehorse
That thoroughbred will leave the other bangtails standing still.—
The American Girl
The American Girl2
: a detachable slip attached to the flap or back panel of an envelope
A bangtail is the perforated coupon attached to the body of a return envelope, which must be torn off before the envelope is sealed.—The Times-Union (Albany, New York)
The Times-Union (Albany, New York)Cite this Entry
“Bangtail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bangtail. Accessed 29 Jul. 2025.
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