weather_vane
1. [ noun ] mechanical device attached to an elevated structure; rotates freely to show the direction of the wind
Synonyms: vane wind_vane weathervane
Related terms: mechanical_device wind_tee weathercock
Similar spelling:   weathervane
  Weatherbee
  weather_bureau
  Weatherby
  weather-bound
  Wetherbee
  weather-beaten
  Weatherford
  weatherproof
  weatherboard