Breadcrumb Home > Dictionary > Index T tun: Meaning and Definition of Find definitions for: tun Pronunciation: (tun), [key] — n., v., tunned, tun•ning. —n. a large cask for holding liquids, esp. wine, ale, or beer. a measure of liquid capacity, usually equivalent to 252 wine gallons. —v.t. to put into or store in a tun or tuns. Tun. Pronunciation: [key] Tunisia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tun (Thesaurus) tumulus tuna TrendingHere are the facts and trivia that people are buzzing about. Who's Who in the "Lord of the Rings" Roman Catholic Church Hierarchy Current Events This Week: March 2023 42 Top Western Movie Quotes Slaves in the Family User's Guide to Environmental Language ✖ Related Content Daily Word Quiz: plaudit Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language