Simple Definition of bellwether
: someone or something that leads others or shows what will happen in the future
Full Definition of bellwether
: one that takes the lead or initiative : leader; also : an indicator of trends
Examples of bellwether
She is a bellwether of fashion.
High-tech bellwethers led the decline in the stock market.
a county that is a bellwether in national elections
Origin of bellwether
Middle English, leading sheep of a flock, leader, from belle bell + wether; from the practice of belling the leader of a flock
First Known Use: 13th century
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