Also see definition of "Fan" in Word Study
Fan [ebd]
a winnowing shovel by which grain was thrown up against the wind that it might be cleansed from broken straw and chaff (Isa. 30:24; Jer. 15:7; Matt. 3:12). (See AGRICULTURE.)
FAN [smith]
a winnowing-shovel , with which grain was thrown up against the wind to be cleansed from the chaff and straw. (Isaiah 30;24; Matthew 3:12) A large wooden fork is used at the present day.
Also see definition of "Fan" in Word Study