coronas

1. The luminous plasma atmosphere of the Sun or other star, extending millions of kilometres into space, most easily seen during a total solar eclipse.
2. A circle or set of circles visible around a bright celestial object, especially the Sun or the Moon, attributable to an optical phenomenon produced by the diffraction of its light by small water droplets or tiny ice crystals.
3. (by extension) Any luminous or crownlike ring around an object or person.
4. A luminous appearance caused by corona discharge, often seen as a bluish glow in the air adjacent to pointed metal conductors carrying high voltages.
5. The large, flat, projecting member of a cornice which crowns the entablature, situated above the bed moulding and below the cymatium.
6. A large, round pendent chandelier, with spikes around its upper rim to hold candles or lamps, usually hung from the roof of a church.
7. A crown or garland bestowed among the Romans as a reward for distinguished services.
8. Any appendage of an organism that resembles a crown or corona.
9. An upper or crownlike portion of certain parts of the body.
10. A manifestation of secondary syphilis, consisting of papular lesions along the hairline, often bordering the scalp in the manner of a crown.
11. An oval-shaped astrogeological feature, present on both the planet Venus and Uranus's moon Miranda, probably formed by upwellings of warm material below the surface.
12. A mineral zone, consisting of one or more minerals, which surrounds another mineral or lies at the interface of two minerals, typically in a radial arrangement; a reaction rim.

1. A coronavirus, especially SARS-CoV-2.

   The recent surge of deaths due to corona reveals the shortcomings of our current healthcare system.

2. A coronavirus disease, especially COVID-19.

   She caught corona last week.

noun

A series of sonnets linked together in a particular manner.

noun

A long, straight-sided cigar with a roundly blunt end.