/ Dictionary / Index D Dilaudid: Meaning and Definition of Find definitions for: Di•lau•did Pronunciation: (dī-lô'did, di-), [key] — Pharm., Trademark. Pharm.,Trademark. a brand name for the hydrochloride salt of dihydromorphinone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dilaudid (Thesaurus) dilatory dildo Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language