From the Latin word corona, mid-16th century, meaning ‘wreath, crown’.
Architecture: a circular chandelier in a church, or a part of a cornice having a broad vertical face.
Astronomy: the rarefied gaseous envelope of the sun and other stars.
Biology: the cup-shaped or trumpet-shaped outgrowth at the center of a daffodil or narcissus flower.
Medical: coronavirus is any of a family (Coronaviridae) of large single-stranded RNA viruses that have a lipid envelope studded with club-shaped spike proteins.
Physics: the glow around a conductor at high potential.
Smoking: a long, straight-sided cigar.
It was only 45 °F (7 °C) for my late-afternoon stroll around the block today, but hey, now there is an hour more of sunshine.