air sock
Học thuậtThân thiện
Definition
Noun: A truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind. It is a type of wind indicator.
Usage
The term air sock is used to refer specifically to the wind-direction indicator, often seen at small airfields, helipads, or on buildings. It is a practical, visual tool.
Examples
- The pilot checked the air sock before attempting to land.
- An air sock is a simple but essential piece of equipment at many airstrips.
- The air sock on the hangar was fully extended, indicating a strong headwind.
Advanced Usage
- "The air sock is limp": Indicates there is little to no wind.
- "Reading the air sock": The act of observing the wind sock to determine wind direction and relative speed based on how fully it is extended.
Variants and Related Words
- Wind sock: The most common synonym for air sock.
- Wind cone: Another technical term for the same device.
- Drogue: A similar conical device used for stabilization or deceleration, often in water or air, but not typically for indicating wind direction on the ground.
Synonyms
- Wind sock
- Wind cone
- Wind indicator
Related Phrases
- To fly straight as an air sock: An informal phrase (less common) implying something is pointing directly into the wind or is very straightforward. (Note: This is a constructed example to illustrate potential idiomatic use; the common idiom is "straight as an arrow.")
Noun
- a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind