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

     

    lingual

     adjective
    adjective
    BrE BrE//ˈlɪŋɡwəl//
     
    ; NAmE NAmE//ˈlɪŋɡwəl//
     
     
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  1. 1 (anatomy) related to the tongue
  2. 2related to speech or language
  3. 3 (phonetics) (of a speech sound) produced using the tongue
  4. Word Origin mid 17th cent.: from medieval Latin lingualis, from Latin lingua ‘tongue, language’.
See the Oxford Advanced American Dictionary entry: lingual