/ Dictionary / Index C crystal lattice: Meaning and Definition of Find definitions for: crys'tal lat"tice Pronunciation: [key] lattice (def. 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Crystal Lake crystalli- Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language