/ Dictionary / Index B baron: Meaning and Definition of Find definitions for: bar•on Pronunciation: (bar'un), [key] a member of the lowest grade of nobility. (in Britain) a feudal vassal holding his lands under a direct grant from the king. a direct descendant of such a vassal or his equal in the nobility. a member of the House of Lords. an important financier or industrialist, esp. one with great power in a particular area: an oil baron. a cut of mutton or lamb comprising the two loins, or saddle, and the hind legs. Cf. Ba•ron Pronunciation: (ba-rôn'), [key] (Michel Boyron), 1653–1729, French actor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: baron (Thesaurus) barometry baronage Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language