What is another word for pentagon?

Common synonyms for pentagon include The Pentagon.

What is the plural of pentagon?

The plural of pentagon is pentagons.

/ˈpɛn.təˌɡɑn/noun3 syllables

Pentagon means: a government building with five sides that serves as the headquarters of the United States Department of Defense.

noun, as in a government building with five sides that serves as the headquarters of the United States Department of Defense

The Pentagon

also used for pentagon

5-gon, quinquangle

Includes material from Wiktionary, CC BY-SA 4.0.

noun

a government building with five sides that serves as the headquarters of the United States Department of Defense

the United States military establishment

a five-sided polygon

Definitions from the Open English WordNet, CC BY 4.0.

A pentagon is a shape with five sides.orcrist
I wear this tinfoil hat to keep the Pentagon from spying on me.shekitten
A leaked document from the Pentagon prompted this suspicion.frpzzd
Pentagon officials won't say when the problem turned up and refused to discuss details about the flight.unknown
I'd like to see the Pentagon dismantled.shekitten
She'd like to see the Pentagon dismantled.shekitten

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

as a noun