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Meaning of Pentagonese

Pen•ta•gon•ese

Pronunciation: (pen"tu-gu-nēz', -nēs'), [key]
— n.
  1. a style of language characterized by the use of euphemisms, technical jargon, acronyms, and circumlocutions, used esp. by people working in the U.S. military establishment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.