gaff1Pronunciation: /gaf/Translate gaff | into Italian Definition of gaff noun 1a stick with a hook or barbed spear, for landing large fish. 2 Sailing a spar to which the head of a fore-and-aft sail is bent: [in combination]:a gaff-rigged cutter verb [with object] seize or impale with a gaff: the whales are gaffed, speared, or knifed to deathOrigin: Middle English: from Provençal gaf 'hook'; related to gaffegaff in other Oxford dictionaries Definition of gaff in the US English dictionary