1. the outermost part of the sun’s atmosphere, visible as a white halo during a total solar eclipse
Usage: astronomy
2. a crown or crown-like object
3. a circular chandelier hanging from the ceiling

Examples

• The sun’s corona was clearly visible during the total eclipse.
• Astronomers study the corona to understand solar activity.
• The ancient king wore a golden corona on his head.
• A beautiful crystal corona illuminated the dining room.
• He enjoyed smoking a fine corona after dinner.
• The corona’s temperature is much hotter than the sun’s surface.