a shape in the form of a closed curved line closed flat curve every point of which is equidistant from the centre
a group of people or things forming a circle
a balcony or tier of seats in a theatre
a cycle or round
(treated as sing. or pl) a group of people sharing a common interest, activity, or leader
court circles
an instance of circular reasoning
a circle formed on the surface of a sphere, e.g. the earth, by the intersection of a plane
a circle of latitude
come/turn full circle
to return to the position or condition in which the thing in question started; to go back to the beginning
go/run round in circles
to be frantically active without making any progress
[Middle English cercle via Old French from Latin circulus, dimin. of circus ring, circus, from or related to Greek krikos, kirkos ring]