pentagon
word
/ˈpɛnɪˌɡɑn/
PEN-i-gon
/pˈɛntəɡən/
PEN-tuh-guhn
Definition
A pentagon is a flat shape with five straight sides and five angles. It can also refer to the main building of the U.S. Department of Defense.
Usage & Nuances
"Pentagon" most commonly means the five-sided geometric shape. With a capital "P", "the Pentagon" refers specifically to the headquarters of the U.S. Department of Defense. In math, use "regular pentagon" for all sides and angles equal.
Spanish: pentágonoPortuguese (BR): pentágonoPortuguese (PT): pentágonoChinese (Simplified): 五边形Chinese (Traditional): 五邊形Hindi: पंचभुजArabic: خماسي الأضلاعBengali: পেন্টাগন - পঞ্চভুজRussian: пятиугольник - Пентагон (здание)Japanese: 五角形 - ペンタゴン（建物）Vietnamese: ngũ giác - Lầu Năm GócKorean: 오각형 - 펜타곤(미 국방부 청사)Turkish: beşgen - Pentagon (ABD Savunma Bakanlığı binası)Urdu: پانچ کونا - پینٹاگون (امریکی محکمہ دفاع کی عمارت)Indonesian: segilima - Pentagon (gedung Departemen Pertahanan AS)
Example Sentences
A pentagon has five sides.
basic
Draw a pentagon on your paper.
basic
My son’s favorite shape is the pentagon because it looks like a home plate in baseball.
natural
A regular pentagon has all sides equal in length.
basic
The Pentagon is the largest office building in the world.
natural
Can you imagine living in a house shaped like a pentagon?
natural