An advertisement, directive or notice intended for mass circulation.

Short for circular letter.

Short for circular file.

A shuttle bus with a circular route.

To distribute circulars to or at.

To extend in a circular direction.

Of or relating to a circle.

In the shape of, or moving in a circle.

Circuitous or roundabout.

Referring back to itself, so as to prevent computation or comprehension; infinitely recursive.

Distributed to a large number of persons.