[1] : WordNet (r) 2.0

wind sock
     n : truncated cloth cone used to indicate wind direction syn: air
         sock, air sleeve, wind sleeve
see also:
air sock air sleeve wind sleeve 

[2] : Moby Thesaurus II by Grady Ward, 1.0

21 moby thesaurus words for "wind sock":
   anemograph, anemometer, anemometrograph, anemoscope, beacon, beam,
   cock, fan marker, flare path, marker, pylon, racon, radar beacon,
   radio beacon, vane, weather vane, weathercock, wind cone,
   wind indicator, wind vane, wind-speed indicator

Sock >> S Words
Sock, definition of term: Sock
sock_pag1.html

East Wind >> E Words
East Wind, definition of term: East Wind
east+wind_pag1.html

Chinook Wind >> C Words
Chinook Wind, definition of term: Chinook Wind
chinook+wind_pag1.html

Breaking Wind >> B Words
Breaking Wind, definition of term: Breaking Wind
breaking+wind_pag1.html

Break Wind >> B Words
Break Wind, definition of term: Break Wind
break+wind_pag1.html