Breadcrumb Home > Dictionary > Index Z z's: Meaning and Definition of Find definitions for: z's Pronunciation: (zēz), [key] — n. (used with a pl. v.) Slang. sleep (often used with grab, catch, etc.): to grab some z's before dinner. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Zr Zsigmondy TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language