Cases of word usage

1) (to cause something) to wind or twist into a continuous circular or spiral shape; curl round and round (coil)

2) a round roof with a circular base (dome)

3) (of wind, smoke, fog, mist, dust, water) (to move in) a circular or spiral movement (eddy)

4) a circular iron plate, used for cooking cakes (griddle)

5) a circular band of wood or metal as put around a barrel etc; a large ring with paper stretched over it through which circus rides and animals jump (hoop)

6) of, concerning, an orbit; a circular motorway round a city (e.g. the London Orbital) (orbital)

7) a circular band of metal worn round a finger; a circular shape; a clear musical sound (as if) of a bell (ring)

8) shaped like a circle or a ball; done with, involving, a circular motion; a (regular) set or series of events (round)

9) not using the shortest or most direct route; a circular area where several roads meet causing traffic to go round instead of directly across (roundabout)

10) a quick circular motion; (to cause a person, thing) to turn round and round quickly; (to cause hair etc) to curl (twirl)