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Definition of mount saint helens
mount saint helens
• noun
1
American An active stratovolcano located in the Cascade Range of the Pacific Northwest in Washington state, renowned for its catastrophic and highly destructive eruption on May 18, 1980.
Word Nuance & Usage
Frequently abbreviated and stylized in writing as 'Mount St. Helens'.
• Nearby Words
Cite this Entry
Wordmom. (2026). Definition of Mount saint helens. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mount-saint-helens