Dictionary.net

an advertisement (usually printed on a page or in a leaflet) intended for wide distribution; "he mailed the circular to all subscribers"

having a circular shape

marked by or moving in a circle

an advertisement (usually printed on a page or in a leaflet) intended for wide distribution; "he mailed the circular to all subscribers"

having a circular shape

In the form of, or bounded by, a circle; round.

repeating itself; ending in itself; reverting to the point of beginning; hence, illogical; inconclusive; as, circular reasoning.

Adhering to a fixed circle of legends; cyclic; hence, mean; inferior. See Cyclic poets, under Cyclic.

Addressed to a circle, or to a number of persons having a common interest; circulated, or intended for circulation; as, a circular letter.

Perfect; complete.

A circular letter, or paper, usually printed, copies of which are addressed or given to various persons; as, a business circular.

A sleeveless cloak, cut in circular form.

In the form of, or bounded by, a circle; round.

repeating itself; ending in itself; reverting to the point of beginning; hence, illogical; inconclusive; as, circular reasoning.

Adhering to a fixed circle of legends; cyclic; hence, mean; inferior. See Cyclic poets, under Cyclic.

Addressed to a circle, or to a number of persons having a common interest; circulated, or intended for circulation; as, a circular letter.

Perfect; complete.

A circular letter, or paper, usually printed, copies of which are addressed or given to various persons; as, a business circular.

A sleeveless cloak, cut in circular form.

Round like a circle; of or pertaining to a circle; roundabout; published for distribution to the public.

A printed or written letter or rotice.

Circularly.

Circularity.

Like a circle; round.

Circularity.

Forming, bounded by, or moving in a circle; round; circulating.

A letter, or the like for general circulation.

Having the form of a circular; as Circular Amputation, &c. The French use the expression "Une circulaire," for a turn of a bandage around any part.

Having the form of a circle.

Characterized by alternations of depression and excitement. [Lat.]

n. An animation, personal, official, or mercantile, copies of which are sent our to friends, customers, or the public generally.

Round, like a circle, circumscribed by a circle; circle; successive to itself, always returning; Circular letter, a letter directed to several persons, who have the same interest in some common affair.