/ Dictionary / Index A Atarax: Meaning and Definition of Find definitions for: At•a•rax Pronunciation: (at'u-raks"), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of hydroxyzine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: atarax (Thesaurus) atar ataraxia 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