/ Dictionary / Index D Dennis: Meaning and Definition of Find definitions for: Den•nis Pronunciation: (den'is), [key] — n. 1657–1734, English dramatist and critic. a town in SE Massachusetts. 12,360. a male given name: from the Greek word meaning “of Dionysus.” Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. den mother Denny Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language