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pentagon
[ pen-tuh-gon, -guhn ]
/ ËpÉn tÉËgÉn, -gÉn /
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noun
a polygon having five angles and five sides.
the Pentagon,
- a building in Arlington, Virginia, having a plan in the form of a regular pentagon, containing most U.S. Defense Department offices.
- the U.S. Department of Defense; the U.S. military establishment.
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Origin of pentagon
OTHER WORDS FROM pentagon
pen·tag·o·nal [pen-tag-uh-nl], /pÉnËtĂŠg É nl/, adjectivepen·tag·o·nal·ly, adverbsub·pen·tag·o·nal, adjectiveWords nearby pentagon
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use pentagon in a sentence
British Dictionary definitions for pentagon (1 of 2)
pentagon
/ (ËpÉntÉËÉĄÉn) /
noun
a polygon having five sides
Derived forms of pentagon
pentagonal (pÉnËtĂŠÉĄÉnÉl), adjectiveBritish Dictionary definitions for pentagon (2 of 2)
Pentagon
/ (ËpÉntÉËÉĄÉn) /
noun
the five-sided building in Arlington, Virginia, that houses the headquarters of the US Department of Defense
the military leadership of the US
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for pentagon
pentagon
[ pÄnâČtÉ-gĆnâČ ]
A polygon having five sides.
Other words from pentagon
pentagonal adjective (pÄn-tÄgâČÉ-nÉl)The American HeritageÂź Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for pentagon (1 of 2)
notes for pentagon
The Pentagon is a huge five-sided building near Washington, D.C., that contains offices of the Department of Defense.
Cultural definitions for pentagon (2 of 2)
Pentagon
An immense five-sided building in Virginia, just outside Washington, D.C., that serves as headquarters for the Department of Defense.
notes for Pentagon
The term is often used to refer to the Department of Defense or the military: âThe Pentagon agreed today to submit the modified weapons plan to the president.â
notes for Pentagon
The Pentagon was severely damaged by the September 11 attacks.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.