Definition of jab noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//dʒæb//
    ; NAmE NAmE//dʒæb//
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  1. 1a sudden strong hit with something pointed or with a fist (= a tightly closed hand) She gave him a jab in the stomach with her elbow. a boxer’s left jab Scott gave him a sharp left jab to the ribs. As a response he got a sharp jab in the stomach with a rifle.
  2. 2(British English, informal) an injection to help prevent you from catching a disease a flu jab
  3. Word Originearly 19th cent. (originally Scots): variant of job ‘prod or stab’.
See the Oxford Advanced American Dictionary entry: jab

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