/ Dictionary / Index C crater lake: Meaning and Definition of Find definitions for: cra'ter lake" Pronunciation: [key] a body of water occupying a roughly circular, steep-sided volcanic crater or caldera. Cra'ter Lake' Pronunciation: [key] a lake in the crater of an extinct volcano in SW Oregon, in Crater Lake National Park. 20 sq. mi. (52 sq. km); 1996 ft. (608 m) deep. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. crater Crater Lake National Park Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language