Corona

n.	1.	A crown or garland bestowed among the Romans as a reward for distinguished services.
	2.	(Arch.) 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.
	3.	(Anat.) The upper surface of some part, as of a tooth or the skull; a crown.
	4.	(Zool.) The shelly skeleton of a sea urchin.
	5.	(Astronomy) A peculiar luminous appearance, or aureola, which surrounds the sun, and which is seen only when the sun is totally eclipsed by the moon.
	6.	(Bot.) An inner appendage to a petal or a corolla, often forming a special cup, as in the daffodil and jonquil.
	7.	(Meteorol.) A circle, usually colored, seen in peculiar states of the atmosphere around and close to a luminous body, as the sun or moon.
	8.	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.
	9.	(Mus.) A character [pause or hold.

Noun	1.	corona - the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse Synonyms: aureole
	2.	corona - (botany) the trumpet shaped or cup shaped outgrowth of the corolla of a daffodil or narcissus flower
	3.	corona - an electrical discharge accompanied by ionization of surrounding atmosphere Synonyms: corona discharge, corposant, electric glow, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire
	4.	corona - one or more circles of light seen around a luminous object
	5.	corona - (anatomy) any structure that resembles a crown in shape
	6.	corona - a long cigar with blunt ends

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