concuss
🇺🇸
/kənˈkʌs/
🇬🇧
/kənˈkʌs/
to cause a head injury that makes someone feel confused or unconscious for a while
The football player got concussed when he hit his head during the game.
サッカー選手は試合中に頭を打って脳震盪を起こしました。