definition of
rotary

[1] #1 rotary a. relating to or characterized by rotation; "rotary dial". wn

[2] #2 rotary n. [traffic circle, circle, roundabout] a road junction at which traffic streams circularly around a central island; "the accident blocked all traffic at the rotary". wn

[3] #3 rotary n. [synchronous converter, rotary converter] electrical converter consisting of a synchronous machine that converts alternating to direct current or vice versa. wn

[4] #4 rotary s. [circular, orbitual] describing a circle; moving in a circle; "the circular motion of the wheel". wn