Havana, O, androecium, annular muscle, annulus, anthelion, anther, antisun, areola, aura, aureole, belvedere, box of cigars, calyx, carpel, ceiling fixture, chandelier, chaplet, cheroot, chromosphere, cigar, cigar box, cigar case, cigar cutter, cigarillo, circle, circlet, circuit, circumference, circus, closed circle, colorado, corolla, corolla tube, corona
lucis, coronet, countersun, crown, cycle, daystar, diadem, discus, disk, electrolier, epicalyx, eternal return, fairy ring, garland, gasolier, glory, gynoecium, halo, humidor, lasso, logical circle, loop, looplet, lunar corona
, lunar halo, luster, magic circle, megasporophyll, microsporophyll, mock moon, mock sun, moon dog, nimbus, noose, orb of day, orbit, paraselene, parhelic circle, parhelion, perianth, petal, photosphere, pistil, radius, rainbow, receptacle, ring, rondelle, rope, round, roundel, saucer, solar corona
, solar flare, solar halo, solar prominence, solar wind, sphincter, stamen, stigma, stinker, stogie, style, sun, sun dog, torus, trichinopoly, vicious circle, wheel, wreath
circularity, roundness, rotundity, circle, circlet, ring, areola, hoop, roundlet, annulus, annulet, bracelet, armlet, ringlet, eye, loop, wheel, cycle, orb, orbit, rundle, zone, belt, cordon, band, contrate wheel, crown wheel, hub, nave, sash, girdle, cestus, cincture, baldric, fillet, fascia, wreath, garland, crown, corona
, coronet, chaplet, snood, necklace, collar, noose, lasso, lassoo, ellipse, oval, ovule, ellipsoid, cycloid, epicycloid, epicycle, semicircle, quadrant, sextant, sector, sphere, round, rounded, circular, annular, orbicular, oval, ovate, elliptic, elliptical, egg-shaped, pear-shaped, cycloidal, spherical, I watched the little circles die.