tie ‧ break ‧ er /ˈtaɪbreɪkə $ -ər/ BrE AmE noun [countable]
1 . an extra question in a game or ↑ quiz , used to decide who will win when two people have the same number of points
2 . ( also tie‧break /ˈtaɪbreɪk/) the final game of a ↑ set in tennis, played when each player has won six games