Circular, ser' -kew-lar, a

in the shape of a circle; round; performed in a circle, so as to return back; ending in itself; addre ed to a number of persons, as a circular letter: s. a letter, or printed notice, of which a copy is sent to many persons. Circular in lar lines,lines of sines, strument, one graduated tangents, for the whole and secants, circle. on Circuthe plane scale and sector. Circular numbers, those whose powers terminate in the same digits as the roots Circular sailing, the method of sailing by the arc of. a great circle. circle. Circularly, ser'-kew-lar-le, ad. in a circular manner.