A freely distributed letter or pamphlet on routine matters.

plural of circular saw

Alternative spelling of semicircular

(geometry) A portion of a circle enclosed by two radii and an arc.

(geometry) A region of a circle bounded by an arc and the chord connecting the endpoints of the arc.

A particular breathing technique: it involves inhaling via the nose while pushing air, that was stored in the cheeks, out through the lips, so allows for continuous playing of a wind instrument.

plural of circular argument

plural of circular file

plural of circular function

plural of circular parry