To move in a circle or circuitously; to move round and return to the same point; as, the blood circulates in the body.
move through a space, circuit or system, returning to the starting point; "Blood circulates in my veins"; "The air here does not circulate"
move in circles
cause to move in a circuit or system; "The fan circulates the air in the room"
move around freely; "She circulates among royalty"
To move in a circle, circuit, or course and then return to the point of origin.