Definition

1. Noun:
   • The flattened weblike part of a feather: The vane is the flat, broad part of a feather, consisting of a series of barbs on either side of the central shaft (rachis), which gives the feather its shape and surface area.
   • A flat surface that rotates and pushes against air or water: A vane is a blade or flat plate designed to catch a fluid (like air or water) to cause rotation or movement, as in a windmill, turbine, or propeller.
   • A fin attached to a projectile for stabilization: A vane is a small, stabilizing fin attached to the tail of an arrow, bomb, or missile to guide its flight and keep it on course.
   • A device that shows wind direction: A vane, specifically a weather vane or wind vane, is a mechanical device, often mounted on an elevated structure, that rotates freely to indicate the direction from which the wind is blowing.

Usage Examples

• Noun (Feather Part):

  • The ornithologist examined the vane of the feather under a microscope to study its structure.
  • Damage to the vane can prevent a bird from flying efficiently.

• Noun (Rotating Surface):

  • The wind turbine's vanes began to spin as the breeze picked up.
  • Each vane of the ship's propeller was carefully engineered for maximum thrust.

• Noun (Projectile Fin):

  • The arrow's plastic vanes helped it fly straight to the target.
  • Modern missiles often have adjustable vanes for precise guidance.

• Noun (Wind Direction Device):

  • The rooster-shaped weather vane on the barn roof turned to point north.
  • We installed a simple vane on the mast to see the wind direction while sailing.

Advanced Usage

• "To vane" (Rare/Technical Verb): To fit or provide with a vane.
  • The craftsman will vane the arrow with precision-cut feathers.

Variants and Related Words

• Weathervane / Wind Vane (n): The specific device for showing wind direction.
  • The old church steeple is topped with a ornate copper weathervane.
• Vaned (adj): Having vanes.
  • A four-vaned propeller.
• Vane pump (n): A type of pump that uses vanes in a rotating rotor to move fluid.
  • The hydraulic system uses a reliable vane pump.

Synonyms

• Blade: For the rotating surface meaning (e.g., turbine blade).
• Fin: For the stabilizing part on a projectile.
• Sail: In some contexts for a broad, flat surface that catches wind.
• Fletching: Specifically for the feathers or vanes on an arrow.

Related Phrases

• Go/Point like a vane: To change direction frequently or be easily influenced (figurative, based on a weather vane).
  • His opinions on the matter point like a vane, shifting with every new argument he hears.

Noun

1. the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft
2. flat surface that rotates and pushes against air or water
3. a fin attached to the tail of an arrow, bomb or missile in order to stabilize or guide it
4. mechanical device attached to an elevated structure; rotates freely to show the direction of the wind