0 a type of weather vane (= a device for showing which way the wind is blowing) in the shape of a chicken -- (指示风向的)风向标,风信鸡
He is a weathercock, and their breath the blast that determines its direction.
I happen to live in a house with a weathercock on the top.
Suddenly, and without any warning, the weathercock swung and the policy changed.
All we have got is a well-intentioned weathercock.
A weathercock always finds it difficult to make up its mind.
Their salesmen are quick weathercocks of the position, who go back to the factory and warn of what is impending.
It is a very convenient form of words to find which, like the weathercock, in any wind that blows, will signify a different direction.
In this case, the weathercock was a windmill.