Rotary

Rotary can refer to:

Engineering and Machinery

• Rotary motion
• Rotary engine, a type of internal combustion engine from the early 20th century
• Rotary engine (disambiguation), other engines called "rotary"
  • Wankel engine
• 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 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

Telecommunications

• Rotary dial, a rotating telephone dial
• Rotary system, a type of pre-electronic telephone switch

Companies

• Rotary International, or Rotary Club, a service organization
  • Rotary Foundation, non-profit foundation of Rotary International
• Rotary Watches, a Swiss watchmaker

Other

• Rotary (intersection), a type of circular roadway intersection