weathercock
weathercock
Noun
pl: weathercocks
This term describes a specific type of wind vane that traditionally takes the form of a rooster. It carries a connotation of rustic, traditional architecture and is most frequently associated with rural landscapes or historic village churches.
In a figurative sense, the word is used to describe a person who frequently changes their opinions or loyalties to suit the prevailing mood or advantage, mirroring the way the instrument pivots with the wind.