1. a severe headache, especially a migraine
Usage: archaic or literary
2. a whimsical or fanciful notion; a caprice
Usage: archaic

Examples

• The old woman complained of a terrible megrim that lasted for days.
• His sudden megrim to travel the world surprised his family.
• She dismissed his latest idea as just another megrim.
• The physician prescribed rest for her recurring megrims.
• What megrim possessed him to quit his job without notice?