Vane and Wind vane

Vane noun - Mechanical device attached to an elevated structure; rotates freely to show the direction of the wind.

Wind vane is a synonym for vane. In some cases you can use "Wind vane" instead a noun "Vane". popular alternative

Wind vane noun - Mechanical device attached to an elevated structure; rotates freely to show the direction of the wind.

Vane is a synonym for wind vane in device showing wind direction topic. You can use "Vane" instead a noun phrase "Wind vane".