[kənˈkʌs], (Verb)

Definitions:
- cause (someone) to become temporarily unconscious or confused by hitting them on the head
(e.g: he was concussed by a cowardly punch from behind)


Phrases:

Origin:
late 16th century (in the sense ‘shake violently’): from Latin concuss- ‘dashed together, violently shaken’, from the verb concutere, from con- ‘together’ + quatere ‘shake’