(BUILDING) [noun] [U] - the Pentagon the building in Washington where the US Defense Department is based, or the US Defense Department itselfThe Pentagon is aiming to cut US forces by over 25 per cent in the next five years.Pentagon officials said yesterday that there will be no change in policy.
PENTAGON
Meaning of PENTAGON in English
Cambridge English vocab. Кембриджский английский словарь. 2012