/ Dictionary / Index F franked mail: Meaning and Definition of Find definitions for: franked' mail' Pronunciation: [key] official mail sent by members of Congress, the vice president, and other authorized officials. Cf. frank (defs. 6–9). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. frank Franken- Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language