Definition

Noun: A wind vane is a mechanical device, typically mounted on a high point like a roof or tower, that rotates freely to indicate the direction from which the wind is blowing. It usually has an arrow or pointer that aligns with the wind.

Usage

The term wind vane is used to describe the specific instrument for showing wind direction. It is a standard term in meteorology, sailing, and general weather observation. - The farmer checked the wind vane on the barn to see if the wind was still coming from the west. - For accurate weather readings, the station's wind vane was installed above the treeline.

Advanced Usage

• As a standard meteorological instrument: In professional contexts, a wind vane is often part of an integrated weather station that also measures wind speed (anemometer).
  • The data from the wind vane and anemometer are combined to calculate wind vector.

Variants and Related Words

• Weathervane: A common synonym, often with a decorative design (like a rooster).
  • The ornate copper weathervane on the church steeple has been there for a century.
• Vane: The shorter form can refer to the blade or flat surface of a wind vane, or similar flat surfaces on tools like propellers or feathers.
  • The arrow's vane helps stabilize its flight.

Synonyms

• Weather vane
• Weathercock (specifically one shaped like a rooster)

Related Phrases

• To act as a wind vane: Used figuratively to describe a person or thing that shows the direction of change in opinions or trends.
  • The tech giant's stock price often acts as a wind vane for the entire market.

Noun

1. mechanical device attached to an elevated structure; rotates freely to show the direction of the wind