Definition of "franking" [frank•ing]

• Device or marking such as postage stamp, printed or stamped impressions, codings, labels, manuscript writings, or any other authorized form of markings affixed or applied to mails to qualify them to be postally serviced. (noun)
• Present participle of frank. (verb)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Well, for one thing, the always helpful Wikipedia tells us that the very word franking comes from the Latin word "francus," meaning free."
• "The best part of the two hours was spent in "franking" -- that is censoring -- his men's letters."
• "Congressional rules bar lawmakers from using their free-mail privilege -- known as franking -- to send mass mailings through the U.S. Postal S.rvice in the 90 days before an election."