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Noun: Mount Saint Helens
  1. An active volcano in the Cascade Range in southwestern Washington; erupted violently in 1980 after 123 years of inactivity
    - Mount St. Helens, Mt. St. Helens

Type of: volcano

Part of: Cascade Mountains, Cascade Range, Cascades, Evergreen State, WA, Wash., Washington

Encyclopedia: Mount Saint Helens