concussion
kuhn-KUSH-uhn/kənˈkʌʃən/
Pluralconcussions
- 1A brain injury from a hard blow to the head that briefly stops the brain from working right.
Like a computer that freezes for a moment after a hard knock.
He got a concussion when he fell off his bike.
The coach pulled her from the game because of a concussion.
Note
- 2A hard, violent crash or shaking between two things.
Like the big thump you feel when two cars crash together.
The concussion of the falling rocks shook the whole valley.
It is believed that great ringing of bells, in populous cities, hath dissipated pestilent air; which may be from the concussion of the air.
1627, Francis [Bacon], Sylua SyluarumHere, concussion means a strong shock or shaking.Note
- 3The crime of using threats of violence to force someone to give up money or goods.
Like a bully who says he will hurt you unless you hand over your lunch money.
He was charged with concussion for threatening the merchant into paying him.
Then Concussion, Rapine, Pillories, / Their Catalogue of Accusations fill.
1595, Samuel Daniel, The First Fowre Bookes of the Ciuile Wars between the Two Houses of Lancaster and YorkeHere, concussion means forcing people to hand over things by threatening violence.Note
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Origin
From Latin concussiō. It comes from the word 'concuss' plus '-ion'.