1. mechanical device attached to an elevated structure; rotates freely to show the direction of the wind; [syn: weathervane, weather vane, vane, wind vane]
WordNet (r) 3.0 (2006):
wind vane
n 1: mechanical device attached to an elevated structure;
rotates freely to show the direction of the wind [syn:
weathervane, weather vane, vane, wind vane]