From Longman Dictionary of Contemporary Englishown goalˌown ˈgoal noun [countable] British English 1 DSa goal that you accidentally score against your own team without intending to in a game of football, hockey etc2 informalMISTAKE an action or remark that has the opposite effect from what you intended The minister’s admission turned out to be a spectacular own goal.
Examples from the Corpus
own goal• Farncombe took the lead after ten minutes, but Haslemere soon equalised through an own goal. 