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



    BrE BrE//ɡæf//
    ; NAmE NAmE//ɡæf//
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  1. 1a pole with a hook on the end used to pull large fish out of the water
  2. 2(British English, slang) the house, flat/apartment, etc. where somebody lives
  3. Word Originsense 1 Middle English: from Provençal gaf ‘hook’; related to gaffe. sense 2 1930s: of unknown origin.Idioms
    blow the gaff (on somebody/something)
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    (British English, informal) to tell something secret, especially by mistake
See the Oxford Advanced American Dictionary entry: gaff