Breadcrumb Home > Dictionary > Index J Cite jester: Meaning and Definition of Find definitions for: jest•er Pronunciation: ( jes'tur), [key] — n. a person who is given to witticisms, jokes, and pranks. a professional fool or clown, esp. at a medieval court. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jester (Thesaurus) jestbook Jesu TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News Noble Titles and Ranks in a Monarchy Chinese New Year History, Meaning, and Celebrations The Manchu The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: umbrage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language