Webster's English Dictionary

Enter the word to look up:

whirlwind

whirl.wind \-.wind\ n often attrib  1: a small rotating windstorm of 
   limited extent marked by an inward and upw ard spiral motion of the lower 
   air that is followed by an outward and upward spiral motion and usu. a 
   progressive motion at all levels 2a: a confused rush : WHIRL  2b: a 
   destructive force or agency