The weathercock wind vane showed the strength of the gusts.
weathercock change
Frequency:
70
%
The weathercock change indicated a shift in the wind direction.
weathercock direction
Frequency:
60
%
The weathercock direction pointed towards the north.
weathercock vane
Frequency:
45
%
The weathercock vane was spinning rapidly in the strong wind.
Idiomatic Expressions for weathercock
Phrase: like a weathercock
Meaning: to change direction frequently or unpredictably
Usage: Her moods shift like a weathercock, making it hard to predict how she will react.