Universal Postal Union: Meaning and Definition of

U'niver'sal Post'al Un"ion

Pronunciation: [key]
  1. an international organization, formed in Bern, Switzerland (1875), that administers and regulates international postal service. Abbr.: UPU&hasp; Formerly,
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.