/ Dictionary / Index C chronogram: Meaning and Definition of Find definitions for: chron•o•gram Pronunciation: (kron'u-gram"), [key] — n. an inscription in which certain Roman numeral letters express a date or epoch on being added together by their values. a record made by a chronograph. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chronobiology chronograph Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language