pentagon
noun/ˈpentəɡən/
/ˈpentəɡɑːn/
- [countable] (geometry) a flat shape with five straight sides and five anglesTopics Colours and Shapesc2
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- the Pentagon[singular] the building near Washington DC that is the headquarters of the US Department of Defense and the military leaders
- a spokesman for the Pentagon
Word Originlate 16th cent.: via Latin from Greek pentagōnon, neuter (used as a noun) of pentagōnos ‘five-angled’.
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pentagon