fourth-class Hear it!

fourth-class definition

fourth·-class (fôrt̸h′klas′)

adjective

  1. of the class, rank, excellence, etc. next below the third
  2. ☆ designating or of a class of mail consisting of merchandise, printed matter, mailable live animals, and all other material not included in first-class, second-class, or third-class; parcel post

adverb

as or by fourth-class mail; parcel post

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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