The definition of a concussion is a violent shaking or a shock, or an injury to the brain, particularly as the result of heavy blow to the head.
An example of a concussion is the result of someone smacking her head into the dashboard in a car accident.
- a violent shaking; agitation; shock, as from impact
- Med. a condition of impaired functioning of some organ, esp. the brain, as a result of a violent blow or impact
Origin of concussionMiddle English concussioun from Classical Latin concussio from past participle of concutere, shake violently from com-, together + quatere, to shake: see quash
- A violent jarring; a shock: The concussion from the explosion broke windows three blocks away.
- An injury to an organ, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function.
Origin of concussionMiddle English concussioun bruise, contusion from Latin concussiō concussiōn- concussion from concussus past participle of concutere to strike together ; see concuss .