Breadcrumb Home > Dictionary > Index B baron of beef: Meaning and Definition of Find definitions for: bar'on of beef' Pronunciation: [key] — Chiefly Brit. Chiefly Brit. a joint of beef consisting of the two sirloins joined at the backbone; double sirloin. Cf. baron (def. 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. baronize Barons' War 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: meretricious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language