(pl. coronae /-niː/)
1
- Astronomy the rarefied gaseous envelope of the sun and other stars. The sun's corona is normally visible only during a total solar eclipse, when it is seen as an irregularly shaped pearly glow surrounding the darkened disc of the moon.【天文】（太阳或其他星体的）冕。
1.1
- （亦作 corona discharge）Physics the glow around a conductor at high potential【物理】电晕。
1.2
- a small circle of light seen round the sun or moon, due to diffraction by water droplets华（通过水珠衍射产生的围绕太阳或月亮的光环）。
2
- Anatomy a crown or crown-like structure【剖】冠; 冠状部位。
2.1
- Botany the cup-shaped or trumpet-shaped outgrowth at the centre of a daffodil or narcissus flower【植】（黄水仙或水仙花的）副花冠; 冠。
3
- a circular chandelier in a church（教堂的）环形吊灯。
4
- Architecture a part of a cornice having a broad vertical face【建筑】挑檐滴水板。
词源
mid 16th cent. (in sense 4)： from Latin, 'wreath, crown'.