- A person or thing that causes something to circulate
- Who is the circulator of this rumor?
- (transport) A local transit system that provides regular service within a closed loop
- You can ride the airport circulator to the next terminal.
- (electronics) A passive electronic component with three or more ports, in which the ports can be accessed in such a way that when a signal is fed into any port it is transferred to the next port only
circulate + -or