| Mount St. Helens 
 
 an active volcano in the Cascade Range in southwestern Washington;
 erupted violently in 1980 after 123 years of inactivity
 • Syn:
 Mount Saint Helens, Mt. St. Helens
 • Instance Hypernyms:
 volcano
 • Part Holonyms:
 Cascades, Cascade Range, Cascade Mountains, Washington, Evergreen State, WA
 
 
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