Tor*na"do (?), n.; pl. Tornadoes (#). [From Sp. or Pg. tornar to turn, return, L. tornare to turn, hence, a whirling wind. The Sp. & Pg. tornada is a return. See Turn.] A violent whirling wind; specifically (Meteorol.), a tempest distinguished by a rapid whirling and slow progressive motion, usually accompaned with severe thunder, lightning, and torrents of rain, and commonly of short duration and small breadth; a small cyclone.

Tor*na"do (?), n.; pl. Tornadoes (#). [From Sp. or Pg. tornar to turn, return, L. tornare to turn, hence, a whirling wind. The Sp. & Pg. tornada is a return. See Turn.] A violent whirling wind; specifically (Meteorol.), a tempest distinguished by a rapid whirling and slow progressive motion, usually accompaned with severe thunder, lightning, and torrents of rain, and commonly of short duration and small breadth; a small cyclone.

• A localized atmospheric vortex producing extremely high winds, characterized by a funnel cloud extending downward from a larger storm cloud and touching the ground.
  
  Danish
• tornado
  
  German
• tornado
  
  Spanish
• tornado