/ Dictionary / Index T tombstone ad: Meaning and Definition of Find definitions for: tomb'stone ad" Pronunciation: [key] a boxed advertisement without artwork or illustrations, esp. one announcing an issue of a stock or bond. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tombstone tomcat Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language