showdown

[ shoh-doun ]
/ ˈʃoʊˌdaʊn /

noun

the laying down of one's cards, face upward, in a card game, especially poker.
a conclusive settlement of an issue, difference, etc., in which all resources, power, or the like, are used; decisive confrontation: An international showdown was inevitable.

Origin of showdown

An Americanism dating back to 1880–85; show + down1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for showdown

British Dictionary definitions for showdown

showdown

/ (ˈʃəʊˌdaʊn) /

noun

informal an action that brings matters to a head or acts as a conclusion or point of decision
poker the exposing of the cards in the players' hands on the table at the end of the game
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