1. devices that turn with the wind to show wind direction, typically mounted on rooftops and often shaped like roosters
2. people who frequently change their opinions or loyalties based on circumstances
Usage: figurative; often derogatory

Examples

• The old barn had two weathercocks on its roof.
• Weathercocks have been used for centuries to determine wind direction.
• The antique weathercocks were made of copper and brass.
• Sailors relied on weathercocks to predict weather changes.
• Politicians are often criticized as weathercocks who change positions for votes.
• Don’t trust those weathercocks in the boardroom.
• The weathercocks on the church steeples pointed east.