coronae

Noun

corona (plural coronas or coronae or (obsolete) coronæ)

1. A large, round, pendent chandelier, with spikes around its upper rim to hold candles or lamps, usually hung from the roof of a church.
   • The magnificent bronze corona, or luminaria, which still hangs in the central octagon, shews the skill of the workmen in bronze of that period.1865 February, J[ohn] H[enry] Parker, “Aix-la-Chapelle: A Letter from J. H. Parker, Esq.”, in Sylvanus Urban [pseudonym], editor, The Gentleman’s Magazine and Historical Review, volume XVIII (New...

   Synonyms:

   corona lucis

2. A region of the skull located along the coronal suture, at the junction between the frontal bone and the two parietal bones.
   • Is it probable that this depression has arisen from the distorting effect of some form of head dress, similar perhaps to that which is still applied to the heads of infants in various parts of France, as described by Drs. Foville and Lunier? This consists of a neckerchief passed twice round the...1863 September, John Thurnam, “XXII.—On Synostosis of the Cranial Bones, Especially the Parietals, Regarded as a Race-character in One Class of Ancient British and in African Skulls”, in G[eorge]...
3. The external (supragingival) portion of the tooth, covered by enamel; the crown.
   • The solids are derived from the fluids. In the first rudiments of the gelatinous embryo, they gradually commence in their respective situations, and differ infinitely in their degrees of cohesion, from the soft and almost pulpy medullary matter of the brain, to the vitreous substance of the corona...1817, J. Fred. Blumenbach [i.e., Johann Friedrich Blumenbach], “Sect. III. Of the Solids in General, and of the Mucous Web in Particular.”, in John Elliotson, transl., The Institutions of Physiology...
4. The circumference of the base of the glans penis in human males.
   • The first line of injection with a clean 1% solution of cocain, or 2% eucain is began, posterior to the ridge caused by the corona, on the dorsum.1907, C. H. Shutt, “A New Simple Technique for Circumcision and Some Advantages Gained in Genito-urinary Work—a Practical Demonstration of the Technique”, in Tho[ma]s A. Hopkins, editor, The Medical...

   Synonyms:

   corona glandis penis, corona glandis

5. The large, flat, projecting member of a cornice which crowns the entablature, situated above the bed moulding and below the cymatium.
   • The cornice only is carried around the room at the ceiling, and in the staircase hall only the cymatium and corona of the cornice; but over the archway, supported by a colonnade of four fluted round columns, a complete entablature with nicely worked classic detail is employed and given added...1920, Frank Cousins, Phil M. Riley, The Colonial Architecture of Philadelphia, Boston: Little, Brown, and Company

   Synonyms:

   drip, larmier

6. The luminous plasma atmosphere of the Sun (the solar corona) or other star, extending millions of kilometres into space, most easily seen during a total solar eclipse.
   • My investigations seem to prove conclusively that the theoretical corona is caused by light emitted and reflected from streams of matter ejected from the Sun by forces which, in general, act along lines normal to the surface. These forces are most active near the center of each Sun-spot zone.1890 April 11, J[ohn] M[artin] Schaeberle, “A Mechanical Theory of the Solar Corona”, in Monthly Notices of the Royal Astronomical Society, volume I, number 6, London: Royal Astronomical Society...

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