concussion

One entry found for concussion.

Main Entry: con·cus·sion
Pronunciation: kn-ksh-n
Function: noun
1 : a hard blow or collision
2 : a condition resulting from the stunning, damaging, or shattering effects of a hard blow; especially : a jarring injury of the brain resulting in disturbance of cerebral function and sometimes marked by permanent damage
- con·cus·sive /-ks-iv/ adjective