1. an indicator or predictor of trends or changes
2. a leader of a group or movement
3. a male sheep that leads the flock, typically wearing a bell
Usage: literal/agricultural

Examples

• Ohio is often considered a bellwether state in presidential elections.
• The company’s stock performance serves as a bellwether for the entire tech industry.
• She was a bellwether in the environmental movement of the 1970s.
• The unemployment rate is a key economic bellwether.
• This small town has been a political bellwether for decades.
• The fashion designer became a bellwether for sustainable clothing practices.
• The farmer chose his strongest ram as the bellwether for the flock.