/ Dictionary / Index Z zoster: Meaning and Definition of Find definitions for: zos•ter Pronunciation: (zos'tur), [key] — n. Also calledshingles. a belt or girdle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zoster (Thesaurus) Zosimus Zouave 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