concussion
//kənˈkʌʃ.ən//
Noun
concussionSingular
concussionsPlural
1
A brain injury caused by a blow or jolt to the head, resulting in temporary impairment of brain function.
The football player suffered a concussion after a hard tackle.
2
A violent shaking or jarring impact.
The concussion from the explosion shattered windows across the street.