Synonyms to logical circle

areola, O, annular muscle, annulus, aureole, chaplet, circle, circuit, circumference, circus, closed circle, corona, coronet, crown, cycle, diadem, discus, disk, eternal return, fairy ring, garland, glory, halo, lasso, loop, looplet, magic circle, noose, orbit, radius, ring, rondelle, round, roundel, saucer, sphincter, vicious circle, wheel, wreath, anthelion, antisun, aura, countersun, lunar corona, lunar halo, mock moon, mock sun, moon dog, nimbus, paraselene, parhelic circle, parhelion, rainbow, solar corona, solar halo, sun dog, air hole, ambit, arc, arch, armhole, association, band, bank, beat, begird, belt, belt in, bend, bend back, beset, bilge, blain, bleb, blister, blob, blowhole, boss, bow, braid