English dictionary
concussion
/k/@/n'k/@//S//@/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
-
injury to the brain caused by a blow; usually resulting in loss of consciousness
Source: WordNet 3.0
-
any violent blow
Source: WordNet 3.0
-
A shaking or agitation; a shock; caused by the collision of two bodies.
Source: webster1913