Definition of tune verb from the Oxford Advanced Learner's Dictionary

     

    tune

     verb
    verb
    BrE BrE//tjuːn//
     
    ; NAmE NAmE//tuːn//
     
    Verb Forms present simple I / you / we / they tune
    BrE BrE//tjuːn//
     
    ; NAmE NAmE//tuːn//
     
    he / she / it tunes
    BrE BrE//tjuːnz//
     
    ; NAmE NAmE//tuːnz//
     
    past simple tuned
    BrE BrE//tjuːnd//
     
    ; NAmE NAmE//tuːnd//
     
    past participle tuned
    BrE BrE//tjuːnd//
     
    ; NAmE NAmE//tuːnd//
     
    -ing form tuning
    BrE BrE//ˈtjuːnɪŋ//
     
    ; NAmE NAmE//ˈtuːnɪŋ//
     
    Radio broadcasting, Watching TV, Listening to music
     
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  1. 1 tune something to adjust a musical instrument so that it plays at the correct pitch to tune a guitar
  2. 2tune something to adjust an engine so that it runs smoothly and as well as possible
  3. 3[usually passive] tune something (in) (to something) to adjust the controls on a radio or television so that you can receive a particular programme or channel The radio was tuned (in) to the BBC World Service. (informal) Stay tuned for the news coming up next. See related entries: Radio broadcasting, Watching TV, Listening to music
  4. 4tune something (to something) to prepare or adjust something so that it is suitable for a particular situation His speech was tuned to what the audience wanted to hear.
  5. Word Origin late Middle English: unexplained alteration of tone. The verb is first recorded (late 15th cent.) in the sense ‘celebrate in music, sing’.Extra examples 200 000 people tune into the station each week. Don’t forget to tune in to our special election programme this evening. He heard everything through a screen of interference, like on a badly tuned radio. His radio was permanently tuned to Radio KVB. I tuned to the BBC for the late news. Most phones will automatically tune to the strongest network signal. Stay tuned for the news. Ten million people regularly tune in to see his show. a finely tuned engine a laser that is permanently tuned to the correct frequency Phrasal Verbstune in (to something)tune in to somebodytune outtune up
See the Oxford Advanced American Dictionary entry: tune