Definition of Universal Postal Union in English:

Universal Postal Union

Line breaks: Uni|ver¦sal Pos¦tal Union
(abbreviation: UPU)
  • An agency of the United Nations that regulates international postal affairs.

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Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space