pent
a
gon
Plural
pentagons
1
a geometric shape with five angles and five straight sides
- The flag of the city had a pentagon in the center, symbolizing the five founders.
- In the game, each player had to draw a perfect pentagon without the use of a ruler.
- The stop sign is shaped like a red pentagon to alert drivers to halt.
- She drew a pentagon on the chalkboard to illustrate its shape to the students.
2
a five-sided U.S. government building that houses the Department of Defense
3
the U.S. military establishment as an institution