/ Dictionary / Index C cash letter: Meaning and Definition of Find definitions for: cash' let"ter Pronunciation: [key] — Banking. Banking. a deposit list from one bank to another containing items to be credited to the account of the depositing bank. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cashless society cash machine Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language