1. a person who rules a kingdom or empire, such as a king or queen
2. a large orange and black butterfly that migrates long distances
Usage: biology

Examples

• The monarch addressed the nation during the crisis.
• Queen Elizabeth II was Britain’s longest-reigning monarch.
• The constitutional monarch has limited political power.
• Thousands of monarch butterflies migrate to Mexico each winter.
• The monarch’s wings are bright orange with black borders.
• Medieval monarchs ruled by divine right.
• We spotted a monarch feeding on milkweed flowers.