rotary

Adjective

• describing a circle; moving in a circle
  • the circular motion of the wheel
    

• relating to or characterized by rotation
  • rotary dial
    

Noun

• electrical converter consisting of a synchronous machine that converts alternating to direct current or vice versa

• a road junction at which traffic streams circularly around a central island
  • the accident blocked all traffic at the rotary
    

Related words

• Synonyms: 
  circular , orbitual , synchronous converter , rotary converter , traffic circle , circle , roundabout