Vine's Expository Dictionary of NT Words
denotes "a winnowing shovel or fan," with which grain is thrown up against the wind, in order to separate the chaff, Matthew 3:12; Luke 3:17 .
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Vines, W. E., M. A. Entry for 'Fan'. Vine's Expository Dictionary of NT Words. https://www.studylight.org/dictionaries/eng/ved/f/fan.html. 1940.