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Definition of mount saint helens
mount saint helens
mount saint helens Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Rare
• 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.
Example
"The devastating 1980 eruption of Mount Saint Helens blew the top off the volcano and dramatically altered the surrounding landscape."
Word Nuance & Usage
Frequently abbreviated and stylized in writing as 'Mount St. Helens'.
• Nearby Words
Word Origin & Etymology
Named in 1792 by British explorer Captain George Vancouver after his friend Alleyne FitzHerbert, 1st Baron St Helens.
Cite this Entry
Wordmom. (2026). Definition of Mount saint helens. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/mount saint helens