Meaning

noun the Crown (or the reigning monarch) as the symbol of the power and authority of a monarchy

noun the part of a tooth above the gum that is covered with enamel

noun a wreath or garland worn on the head to signify victory

originInherited from Middle English coroune, from Anglo-Norman corone, from Latin corōna (“crown, wreath”), from Ancient Greek κορώνη (korṓnē). Doublet of corona, korona, koruna, krona, króna, and krone. Displaced native Old English corenbēag (“crown”); and Middle English kinehelm, kynehelm, from Old English cynehelm (“crown”). * (paper size): So called because originally watermarked with a crown.

Etymology from Wiktionary, CC BY-SA 3.0