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

     

    halve

     verb
    verb
    BrE BrE//hɑːv//
     
    ; NAmE NAmE//hæv//
     
    Verb Forms present simple I / you / we / they halve
    BrE BrE//hɑːv//
     
    ; NAmE NAmE//hæv//
     
    he / she / it halves
    BrE BrE//hɑːvz//
     
    ; NAmE NAmE//hævz//
     
    past simple halved
    BrE BrE//hɑːvd//
     
    ; NAmE NAmE//hævd//
     
    past participle halved
    BrE BrE//hɑːvd//
     
    ; NAmE NAmE//hævd//
     
    -ing form halving
    BrE BrE//ˈhɑːvɪŋ//
     
    ; NAmE NAmE//ˈhævɪŋ//
     
     
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  1. 1[intransitive, transitive] to reduce by a half; to make something reduce by a half The shares have halved in value. halve something The company is halving its prices.
  2. 2[transitive] halve something to divide something into two equal parts
  3. Word Origin Middle English: from half.Idioms
    a trouble shared is a trouble halved
     
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    (saying) if you talk to somebody about your problems and worries, instead of keeping them to yourself, they seem less serious
See the Oxford Advanced American Dictionary entry: halve