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

to canvass by distributing letters. Syn. -- circularize. [WordNet 1.5]

The quality or state of being circular; a circular form.

In a circular manner.

Circular; illogical. [Obs. & .] "Cross and circulary speeches." Hooker.

Having the form of half of a circle. Addison. Semicircular canals (Anat.), certain canals of the inner ear. See under Ear.

Nearly circular.

om truth, rectitude, etc. Aberrancy of curvature (Geom.), the deviation of a curve from a circular form.

In circuit; circularly; by a circuitous way; around the outside; as, a mile about, and a third of a mile across.

In a plane, the two imaginary circular points at infinity; in space of three dimensions, the imaginary circle at infinity.

appendix or addition. Addendum circle (Mech.), the circle which may be described around a circular spur wheel or gear wheel, touching the crests or tips of the teeth. Rankine.

eeds of grasses, for food. The remarkable species (Myrmica barbata) found in Texas clears circular areas and carefully cultivates its favorite grain, known as ant rice.

An oval or circular building with rising tiers of seats about an open space called the arena.

thern bottle, as the dilated end of a vessel or duct; especially the dilations of the semicircular canals of the ear.

the fourth degree which have certain peculiar relations to circles; -- sometimes called bicircular quartics. -- Anallagmatic surfaces, a certain class of surfaces of the fourth degree.

A circular or ringlike formation; a ring or belt. Nicholson.

n appointed. The commission authorizes them to make appointments, and pay the appointees. Circular of Mass. Representatives (1768).

A projecting part of a building, esp. of a church, having in the plan a polygonal or semicircular termination, and, most often, projecting from the east end. In early churches the Eastern apse was occupied by seats for the bishop and clergy. Hence:

A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.

l or other weight above an opening. In this sense arches are segmental, round (i. e., semicircular), or pointed.