Mt. St. Helens

Thesaurus

Noun

1.

Mt. St. Helens - an active volcano in the Cascade Range in southwestern Washington; erupted violently in 1980 after 123 years of inactivity Mount Saint Helens, Mount St. Helens Evergreen State, WA, Washington - a state in northwestern United States on the Pacific Cascade Mountains, Cascade Range, Cascades - a mountain range in the northwestern United States extending through Washington and Oregon and northern California; a part of the Coast Range