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Related to wind cone: windsock
wind cone[′win ‚kōn]
A tapered fabric sleeve, shaped like a truncated cone and pivoted at its larger end on a 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. Also known as wind sleeve; wind sock.
A free-rotating fabric-truncated cone that when subjected to air movement indicates wind direction and wind force. On approach charts, the wind cone is shown as. Also called a cone, sock, or wind sock.