/ Dictionary / Index C Craters of the Moon: Meaning and Definition of Find definitions for: Cra'ters of the Moon' Pronunciation: [key] a national monument in S Idaho: site of scenic lava-flow formations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Crater Mound C ration Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language