/ Dictionary / Index Z Zovirax: Meaning and Definition of Find definitions for: Zo•vi•rax Pronunciation: (zō-vī'raks), [key] — Pharm., Trademark. Pharm.,Trademark. a brand name for acyclovir. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zovirax (Thesaurus) zounds zowie Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language