1. a weather vane in the shape of a rooster that turns to show wind direction
2. a person who changes opinions or loyalties frequently
Usage: figurative

Examples

• The old barn had a rusty weathercock on its roof.
• The weathercock spun wildly in the strong wind.
• A brass weathercock topped the church steeple.
• Don’t trust him with important decisions – he’s a real weathercock.
• The politician was criticized as a weathercock who changed positions based on polls.
• The weathercock pointed north, indicating the wind direction.