Rotary

Rotary may refer to:

Science, engineering and technology

 * Rotary motion
 * Rotary dial, a rotating telephone dial
 * Rotary engine (disambiguation), multiple types of engines called "rotary"
 * Rotary latch
 * Rotary milking shed, a type of milking shed used in the dairy industry
 * Rotary snowplow, one type of railroad snowplow used especially for deep snow removal
 * Rotary system, a type of pre-electronic telephone switch
 * Rotary table (drilling rig), a device used to apply directional force to a drill string
 * Rotary tiller, a motorised cultivator
 * Rotary woofer, a type of loudspeaker capable of producing very low frequency sound
 * Rotary wing aircraft

Organisations and enterprises

 * Rotary International, or Rotary Club, an international service organization founded in the United States
 * Rotary Foundation, non-profit foundation of Rotary International
 * Rotary Scholarships, scholarships offered by the organization
 * Rotary Watches, a Swiss watchmaker

Other uses

 * Rotary (intersection) or roundabout, a circular roadway intersection
 * "The Rotary", a song by Andy Partridge from Take Away / The Lure of Salvage