concuss

From Latin concussus, the perfect passive participle of concutiō (“shake violently”), from con- + quatiō (“shake, hit”).

• (UK) IPA^(key): /kənˈkʌs/, /ˈkɒn.kʌs/

concuss (third-person singular simple present concusses, present participle concussing, simple past and past participle concussed)

1. (transitive) To injure the brain of, usually temporarily, by violent impact.

   The blow will concuss him.

2. (law) To force to do something, or give up something, by intimidation; to coerce.

   (Can we find and add a quotation of Wharton to this entry?)

• concussion
• concussive
• deconcuss
• subconcuss