- The definition of a fan is a person who is very enthusiastic about someone or something, or a device that moves and cools the air.
- An example of a fan is a person who only wears gold and red in support of the San Francisco 49ers.
- An example of a fan is an electrical device with moving blades that cools air.
- Fan is defined as to move air around, stir up, or spread out with the widest parts at the top and a thin base at the bottom.
- An example of fan is waving a piece of paper in front of your face on a hot day; fan your face.
- An example of fan is waving a piece of paper in front of a small fire in your fireplace; fan the flames.
- An example of fan is spreading out a deck of cards and holding them out to someone so they can pick one; fan out the deck.
An electric fan.
fan definition by Webster's New World
- Historical a device for winnowing grain
- any device or machine used to set up a current of air for ventilating or cooling; specif.,
- any flat surface moved by hand
- a folding device made of paper, cloth, etc. which when opened has the shape of a sector of a circle
- a device consisting of one or more revolving blades or vanes attached to a rotary hub and operated by a motor
- anything in the shape of a fan (), as the tail of a bird
- in a windmill, a small vane that keeps the large vanes, or sails, at right angles to the wind
Origin: Middle English fanne ; from Old English fann ; from Classical Latin vannus, basket for winnowing grain ; from Indo-European base an unverified form wē-, to blow, flutter from source wind, winnow
- to move or agitate (air) with or as with a fan
- to direct a current of air toward or on with or as with a fan; blow on
- to stir up; excite
- to blow or drive away with a fan
- to spread out into the shape of a fan ()
- to separate (grain) from chaff
- ☆ Slang
- to spank
- to fire (a pistol) several times quickly in succession by slapping the hammer back as with the alternate hand between shots
- ☆ Baseball to strike (a batter) out
Origin: ME fannen < OE fannian
Origin: contr. ; from fanatic
fan definition by American Heritage Dictionary
- A device for creating a current of air or a breeze, especially:a. A machine using an electric motor to rotate thin, rigid vanes in order to move air, as for cooling.b. A collapsible, usually wedge-shaped device made of a light material such as silk, paper, or plastic.
- A machine for winnowing.
- Something resembling an open fan in shape: a peacock's fan.
- To move or cause a current of (air) with or as if with a fan.
- To direct a current of air or a breeze upon, especially in order to cool: fan one's face.
- To stir (something) up by or as if by fanning: fanned the flames in the fireplace; a troublemaker who fanned resentment among the staff.
- To open (something) out into the shape of a fan: The bird fanned its colorful tail.
- a. To fire (an automatic gun) in a continuous sweep by keeping one's finger on the trigger.b. To fire (a nonautomatic gun) rapidly by chopping the hammer with the palm.
- To winnow.
- Baseball To strike out (a batter).
- To spread out like a fan: The troops fanned out from the beachhead.
- Baseball To strike out.
Origin: Middle English, winnowing fan, from Old English fann, from Latin vannus; see wet-1 in Indo-European roots.
Origin: Short for fanatic.
fan - Computer Definition
A device that uses motor-driven blades to circulate the air in a computer or other electronic system. Today's CPUs run extremely hot, and large computer cabinets use two and three fans to reduce temperature. See FanCard.
fan - Phrases/Idioms
fan the air