rotary

definition: describing a circle
example:
speech part: adjective
synonyms: circular
definition: relating to or characterized by rotation
example: rotary dial
speech part: adjective
synonyms:
definition: electrical converter consisting of a synchronous machine that converts alternating to direct current or vice versa
example:
speech part: noun
synonyms: synchronous converter rotary converter
definition: a road junction at which traffic streams circularly around a central island
example: the accident blocked all traffic at the rotary
speech part: noun
synonyms: circle

How rotary is being used?