A cooling fan in a personal computer

An electric, oscillating fan supported by an adjustable height, tiltable head, detachable stand.

plural of fan belt

Describing a helicopter's shrouded tail rotor, essentially a ducted fan, intended to counteract the torque of the main rotor.

To spread out into the shape of a fan

(geology) A shallow marine sediment beyond the opening of a large river etc.

Death supposedly caused by staying overnight in a closed room in which an electric fan is operating. It is a South Korean urban legend.

plural of fan fiction

(idiomatic, intransitive) To have a dramatic, usually negative, effect.

Any of several different kinds of palms (Arecaceae) in various genera with leaves that are palmately lobed (rather than pinnately compound).