Weathercock
English Meaning
A vane, or weather vane; -- so called because originally often in the figure of a cock, turning on the top of a spire with the wind, and showing its direction.
- A weathervane, especially one in the form of a rooster.
- One that is very changeable or fickle.
- To have a tendency to veer in the direction of the wind. Used of an aircraft or a missile.