N-COUNT
(足球、曲棍球等比赛中）制胜的一球，决定胜负的一分
In games such as football and hockey, the decider is the last goal to be scored in a match that is won by a difference of only one goal.
例句
McGrath scored the decider in Villa's 2-1 home win over Forest.
在阿斯顿维拉队主场以 2 比 1 战胜诺丁汉森林队的比赛中，麦格拉思打入了制胜的一球。