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

 

grapevine

 noun
noun
BrE BrE//ˈɡreɪpvaɪn//
 
; NAmE NAmE//ˈɡreɪpvaɪn//
 
 
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  • a climbing plant that produces grapes
  • Idioms
    on/through the grapevine
     
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    by talking in an informal way to other people I heard on the grapevine that you're leaving.
    See the Oxford Advanced American Dictionary entry: grapevine