Definition of thoracic adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//θɔːˈræsɪk//
    ; NAmE NAmE//θɔːˈræsɪk//
    [only before noun]
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  1. 1(anatomy) connected with a person's thorax (1) (= the part of the body that is surrounded by the ribs, between the neck and the waist) to undergo thoracic surgery
  2. 2connected with an insect's thorax (2) (= the middle section of its body, to which the legs and wings are attached) Each of the three thoracic segments bears a pair of legs.