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royal flush

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noun Poker.
  1. the five highest cards of a suit.

Origin of royal flush

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for royal flush

royal flush

noun
  1. poker a hand made up of the five top honours of a suit
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