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

     

    tentacle

     noun
    noun
    BrE BrE//ˈtentəkl//
     
    ; NAmE NAmE//ˈtentəkl//
     
     
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  1. 1[countable] a long thin part of the body of some creatures, such as squid, used for feeling or holding things, for moving or for getting food (figurative) Tentacles of fear closed around her body.
  2. 2tentacles [plural] (usually disapproving) the influence that a large place, organization or system has and that is hard to avoid The tentacles of satellite television are spreading even wider.
  3. Word Origin mid 18th cent.: anglicized from modern Latin tentaculum, from Latin tentare, temptare ‘to feel, try’.
See the Oxford Advanced American Dictionary entry: tentacle