/ Dictionary / Index Z Zeno: Meaning and Definition of Find definitions for: Ze•no Pronunciation: (zē'nō), [key] — n. See See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zeno (Thesaurus) zenith tube Zenobia Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language