What is Circle ?
Circle is (noun) 1. a line forming a round shape He drew a circle on the blackboard. 2. anything forming a round shape The children sat in a circle round the teacher. The soldiers formed a circle round the prisoner. 3. a group of people or a society She went to live abroad and lost contact with her old circle of friends. He moves in the highest government circles. 4. a row of seats above the stalls in a theatre We got tickets for the upper circle.(verb) to make circular movements Vultures were circling above the dead antelope. Synonym encircle
source: Easier English, Student Dictionary Upper Intermediate Level