/ Dictionary / Index S Spirit Lake: Meaning and Definition of Find definitions for: Spir'it Lake' Pronunciation: [key] a lake in SW Washington, at the N foot of Mount St. Helens: site of devastation during 1980 eruptions of Mount St. Helens. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spiritism spiritless Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language