Rotary may refer to:

General

Engineering and technology

* 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 A dairy is a business enterprise established for the harvesting or processing (or both) of animal milk – mostly from cows or buffaloes, but also from goats, sheep, horses, or camels – for human consumption. A dairy is typically located on ...

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

Arts and entertainment

* "The Rotary", a song by Andy Partridge from '' Take Away / The Lure of Salvage''

Organisations and enterprises

Rotary International Rotary International is one of the largest service organizations in the world. Its stated mission is to "provide service to others, promote integrity, and advance world understanding, goodwill, and peace through hefellowship of business, prof ...

, or Rotary Club, an international service organization founded in the United States **

Rotary Foundation The Rotary Foundation is a non-profit corporation that supports the efforts of Rotary International to achieve world understanding and peace through international humanitarian, educational, and cultural exchange programs. It is supported solely b ...

, non-profit foundation of Rotary International ** Rotary Scholarships, scholarships offered by the organization * Rotary Watches, a Swiss watchmaker

Roads

Roundabout A roundabout is a type of circular intersection or junction in which road traffic is permitted to flow in one direction around a central island, and priority is typically given to traffic already in the junction.''The New Shorter Oxford En ...

, or "rotary", a circular roadway intersection {{disambiguation