A helicopter circled over us.

The moon is a perfect circle.

The Antarctic Circle is an imaginary line located at 66.5 degrees south of the Equator.

The great circle is the shortest distance between two points on the surface of a sphere.

I always get confused when driving through a traffic circle.

Our family circle includes our parents, siblings, and grandparents.

After many years, I finally came back to my hometown, completing a full circle.

The lack of job opportunities creates a vicious circle of poverty and crime.

I was lucky enough to get tickets for the dress circle seats.

The Arctic Circle is a region characterized by extreme environmental conditions.