circular means: A newspaper advertisement distributed to households. A handbill, or flier is another name. (in Cooking Dictionary)

What else does circular mean?

A circle is a group of people or things that are related to it. (in Merlin Dictionary)

A shape that looks or feels almost like a circular object; round. (in Merlin Dictionary)

Forming a circle or moving in it (in Merlin Dictionary)

A premise is used as a proof of a conclusion. (in Merlin Dictionary)

It is possible to define one word using another word that was also defined by the original word. (in Merlin Dictionary)

Distributed to large numbers of people. (in Merlin Dictionary)

An advertisement or directive printed for mass distribution. (in Merlin Dictionary)