a white or colored circle or set of concentric circles of light seen around a luminous body, esp. around the sun or moon.

Meteorology . such a circle or set of circles having a small radius and ranging in color from blue inside to red outside, attributable to the diffraction caused by thin clouds, mist, or sometimes dust ( distinguished from halo ).

Also called aureola, aureole. Astronomy . a faintly luminous envelope outside of the sun's chromosphere, the inner part consisting of highly ionized elements.

a long, straight, untapered cigar, rounded at the closed end.

Botany . a crownlike appendage, esp. one on the inner side of a corolla, as in the narcissus.

Anatomy . the upper portion or crown of a part, as of the head.

Electricity . corona discharge.

Architecture . the projecting, slablike member of a classical cornice supported by the bed molding or by modillions, dentils, etc., and supporting the cymatium.

the tonsure of a cleric.

Ecclesiastical . a gold-colored stripe around the lower edge of a clerical headdress, as of a miter.

a chandelier of wrought metal, having the form of one or more concentric hoops.

noun

aureole , cigar , circle , crown , halo , light , ring , rosary , tiara , wreath