2. A circle; a concentric layer. [Obs.] "The circinations and spherical rounds of onions." Sir T. Browne.
Cir"cle (s&etilde;r"k'l), n. [OE. cercle, F. cercle, fr. L. circulus (Whence also AS. circul), dim. of circus circle, akin to Gr. kri`kos, ki`rkos, circle, ring. Cf. Circus, Circum-.]
1. A plane figure, bounded by a single curve line called its circumference, every part of which is equally distant from a point within it, called the center.