A crown or garland bestowed among the Romans as a reward for distinguished services. [1913 Webster]
The projecting part of a Classic cornice, the under side of which is cut with a recess or channel so as to form a drip. See Illust. of Column. [1913 Webster]
The upper surface of some part, as of a tooth or the skull; a crown. [1913 Webster]
The shelly skeleton of a sea urchin. [1913 Webster]
A peculiar luminous appearance, or aureola, which surrounds the sun, and which is seen only when the sun is totally eclipsed by the moon. [1913 Webster]
An inner appendage to a petal or a corolla, often forming a special cup, as in the daffodil and jonquil. [1913 Webster]
A circle, usually colored, seen in peculiar states of the atmosphere around and close to a luminous body, as the sun or moon. [1913 Webster]
A crown or circlet suspended from the roof or vaulting of churches, to hold tapers lighted on solemn occasions. It is sometimes formed of double or triple circlets, arranged pyramidically. Called also corona lucis. Fairholt. [1913 Webster]
A character [pause or hold. [1913 Webster]

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OXFORD DICTIONARY

Corona, n. (pl. coronae)
1 a a small circle of light round the sun or moon. b the rarefied gaseous envelope of the sun, seen as an irregularly shaped area of light around the moon's disc during a total solar eclipse.
2 a circular chandelier hung from a roof.
3 Anat. a crown or crownlike structure.
4 Bot. a crownlike outgrowth from the inner side of a corolla.
5 Archit. a broad vertical face of a cornice, usu. of considerable projection.
6 Electr. the glow around a conductor at high potential.

Corona, n. a long cigar with straight sides.

Etymology

Sp. La Corona the crown

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THESAURUS

Corona

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

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ROGET THESAURUS

Corona

Circularity

N 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.

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