Rotary may refer to:
Science, engineering and technology
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Rotary motion
Rotation or rotational/rotary motion is the circular movement of an object around a central line, known as an ''axis of rotation''. A plane figure can rotate in either a clockwise or counterclockwise sense around a perpendicular axis intersec ...
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Rotary dial
A rotary dial is a component of a telephone or a telephone switchboard that implements a signaling technology in telecommunications known as pulse dialing. It is used when initiating a telephone call to transmit the destination telephone numb ...
, a rotating telephone dial
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Rotary engine (disambiguation) A rotary engine is a type of internal combustion piston engine used in some early aircraft, motorcycles, and cars. Almost the entire engine rotates about a fixed crankshaft.
Rotary engine may also refer to:
* Pistonless rotary engine, a type of p ...
, multiple types of engines called "rotary"
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Rotary latch
A latch or catch (called sneck in Northern England and Scotland) is a type of mechanical fastener that joins two or more objects or surfaces while allowing for their regular separation. A latch typically engages another piece of hardware on the ...
* Rotary milking shed, a type of milking shed used in the
dairy
A dairy is a place where milk is stored and where butter, cheese, and other dairy products are made, or a place where those products are sold. It may be a room, a building, or a larger establishment. In the United States, the word may also des ...
industry
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Rotary snowplow
A rotary snowplow (American English) or rotary snowplough is a piece of Rail transport, railroad snow removal equipment with a large circular set of blades on its front end that rotate to cut through the snow on the track ahead of it. It was devel ...
, one type of railroad snowplow used especially for deep snow removal
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Rotary system
The rotary machine switching system, or most commonly known as the rotary system, was a type of automatic telephone exchange manufactured and used primarily in Europe from the 1910s. The system was developed and tested by AT&T's American engineerin ...
, a type of pre-electronic telephone switch
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Rotary table (drilling rig), a device used to apply directional force to a drill string
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Rotary tiller, a motorised cultivator
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Rotary woofer, a type of loudspeaker capable of producing very low frequency sound
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Rotary wing aircraft
Organisations and enterprises
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Rotary International
Rotary International is one of the largest service organizations in the world. The self-declared mission of Rotary, as stated on its website, is to "provide service to others, promote integrity, and advance world understanding, goodwill, and p ...
, or Rotary Club, an international service organization founded in the United States
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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 ...
, non-profit foundation of Rotary International
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Rotary Scholarships Rotary International offers a number of scholarships worldwide for periods of 3 months, 6 months, 1 year and 2 years.
Ambassadorial Mission
The purpose of the Ambassadorial Scholarship was to further international understanding and friendly rel ...
, scholarships offered by the organization
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Rotary Watches, a Swiss watchmaker
Other uses
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Rotary (intersection) or roundabout, a circular roadway intersection
* "The Rotary", a song by Andy Partridge from ''
Take Away / The Lure of Salvage''
{{disambiguation