bellwether
/ˈbɛlwɛðər/Definitions
1. noun
A sheep or goat marked with a bell around its neck, used as an indicator of the grazing habits and whereabouts of a flock.
“The bellwether sheep was the first to find the fresh grazing spot.”
2. noun
A person or organization that is considered representative of a particular group or trend.
“The tech industry is often led by the bellwether companies in Silicon Valley.”
3. noun
An indicator or forecast of a future event or situation.
“The rising stock market was seen as a bellwether for the country’s economic growth.”