US [tɔrˈneɪdoʊ]
UK [tɔː(r)ˈneɪdəʊ]

noun, plural tornadoes, tornados.

  1. a localized, violently destructive windstorm occurring over land, especially in the Middle West, and characterized by a long, funnel-shaped cloud extending toward the ground and made visible by condensation and debris.
    Compare waterspout (def 3).
  2. a violent squall or whirlwind of small extent, as one of those occurring during the summer on the west coast of Africa.
  3. a violent outburst, as of emotion or activity.