Breadcrumb Home > Dictionary > Index J Cite Jason: Meaning and Definition of Find definitions for: Ja•son Pronunciation: ( jā'sun), [key] — n. a hero, the leader of the Argonauts, who at the request of his uncle Pelias retrieved the Golden Fleece from King Aeëtes of Colchis with the help of Medea. a male given name: from a Greek word meaning “healer.” Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jason (Thesaurus) jasmine tea jaspé TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News The Holocaust (1933–1945) Chinese New Year History, Meaning, and Celebrations Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: obviate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language