/ Dictionary / Index Z zither: Meaning and Definition of Find definitions for: zith•er Pronunciation: (zith'ur, zi'-), [key] — n. a musical instrument, consisting of a flat sounding box with numerous strings stretched over it, that is placed on a horizontal surface and played with a plectrum and the fingertips. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zither (Thesaurus) zit zithern Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language