gaff (1)EnglishOxford New American Dictionarygaff1 /ɡaf, ɡæf / ▸ noun 1 a 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 death. – ORIGIN Middle English : from Provençal gaf ‘hook’; related to gaffe.