Definitions

1. noun

A five-sided polygon, especially a building or a military organization with five parts or divisions.

“The new Pentagon building serves as the headquarters of the United States Department of Defense.”

2. noun

A five-sided region or area, especially a geographical area or a section of a map.

“The pentagon on the map highlighted the five-state region.”

3. verb

To form or shape into a pentagon, or to divide or separate into five parts.

“The artist pentagons the painting to create a unique design.”

4. verb

To make or become five-sided, especially in a geographical or geographical sense.

“The new road will pentagon the city, dividing it into five main areas.”