Pentagon (Noun)
Meaning 1
A government building with five sides that serves as the headquarters of the United States Department of Defense.
Classification
Nouns denoting man-made objects.
Meaning 2
The United States military establishment.
Classification
Nouns denoting groupings of people or objects.
Hypernyms
Meaning 3
A five-sided polygon.
Classification
Nouns denoting two and three dimensional shapes.