concuss
Concise Oxford English Dictionary © 2008 Oxford University Press:
concussion/kənˈkʌʃn/
▶noun
- 1 temporary unconsciousness or confusion caused by a blow on the head.
- 2 a violent shock as from a heavy blow.
– derivatives
concuss verb,
concussive adjective.
concuss verb,
concussive adjective.
– origin ME: from L. concussio(n-), from concutere ‘dash together, shake’.
'concuss' also found in these Oxford entries:

