Vane

/veɪn/

Meaning & Definition

noun

A device that shows the direction of the wind, typically consisting of a flat blade that is mounted so that it can rotate freely.

The weather vane on the barn roof spun wildly in the strong gusts of wind.

A flat or blade-like structure that is used to guide or indicate the direction of something, such as a sail or a turbine.

The wind turbine's vane automatically adjusts to capture the maximum amount of wind energy.

A part of a mechanical device that is used to channel airflow or liquid flow, such as in a fan.

The cooling system in the car relies on several vanes to direct airflow efficiently.

Middle English, from Old French 'vane', of uncertain origin.

weather vane

A device that shows wind direction.

vane of fortune

A metaphorical term indicating changing fortunes.

turn like a weather vane

To change one's opinion or position frequently.

wind

The natural movement of air.

turbine

A rotary engine driven by a current of fluid.

To flip-flop

He's always vane, changing his opinion on a whim.