Definition of Rotary

Adjective: rotary row-tu-ree

Relating to or characterized by rotation
"rotary dial"
Describing a circle; moving in a circle
"the rotary motion of the wheel";
- circular, orbitual

Noun: rotary row-tu-ree

A road junction at which traffic streams circularly around a central island
"the accident blocked all traffic at the rotary";
- traffic circle [N. Amer], circle, roundabout [Brit]
Electrical converter consisting of a synchronous machine that converts alternating to direct current or vice versa
- synchronous converter, rotary converter