con ‧ cuss /kənˈkʌs/ BrE AmE verb [transitive usually passive]
if you are concussed, something hits you on the head, making you lose consciousness or feel sick for a short time:
He was concussed by the blast.
con ‧ cuss /kənˈkʌs/ BrE AmE verb [transitive usually passive]
if you are concussed, something hits you on the head, making you lose consciousness or feel sick for a short time:
He was concussed by the blast.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012