The photon circle is the region around a black hole where photons can orbit in stable circular paths.

Kaffir Circus is a popular name in the finance industry.

The graduation ceremony was filled with pomp and circumstance.

I have three circular cones in my collection.

The circuit ranks in this competition are determined by the number of points each team earns.

Circular queues are commonly used in computer science.

The equinoctial circle is an imaginary circle on the celestial sphere that is perpendicular to the celestial equator.

The circle group gathered in the park for a picnic.

She found herself in straitened circumstances after losing her job.

Birds migrate circannually to find warmer climates during the winter.