From Longman Dictionary of Contemporary Englishtiebreakertie‧break‧er /ˈtaɪbreɪkə $ -ər/ noun [countable] 1 DSan extra question in a game or quiz, used to decide who will win when two people have the same number of points2 DST (also tiebreak /ˈtaɪbreɪk/) the final game of a set in tennis, played when each player has won six games
Examples from the Corpus
tiebreaker• Instead, there was a tiebreaker.• Finally, complete the tiebreaker, saying in up to 20 words why you'd like to win first prize.• The muscular Stoliarov pulled out the tiebreaker after Hewitt committed a series of unforced errors.• The Sydney Olympic gold medallist sealed the tiebreaker with an ace and the fight appeared to go out of Grosjean's game.• The tiebreaker will be inPart 3, our December 1992 issue.