Simple past tense and past participle of fan.(verb)
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Use "fanned" in a sentence
"Ever since the general election, when Sarah Palin fanned the flames of hatred, the fire has grown and it is surrounding a powder keg of chaos."
"Jesse Crain fanned two of the three batters he faced to pick up his sixth save of the season for the Rock Cats, who snapped their five-game losing streak."
"It was evident that the name fanned some faint memory which flickered up for a moment and then went out."