A tapered fabric sleeve, shaped like a truncated cone and pivoted at its larger end on a vertical standard, for the purpose of indicating wind direction. Since the air enters the fixed end, the small end of the cone points away from the wind.
A cone-shaped, open-ended cylinder of cloth to catch the wind and show its direction.
A tubular flag like device that shows the direction of wind movement. Wind speed may also be opproximated by the angle at which the sock hangs. Used by pilots to aid with takeoff, landing, and flight patterns. Report this Word Added by: Flight Risk