pentagon
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pentagon¹
- /ˈpɛn.təˌɡɑn/ Canada, US
- /ˈpɛn.tə.ɡən/ UK
- /ˈpɛn.tə.ɡɒn/ UK
Where it comes from
From Middle French pentagone, from Late Latin pentagōnum, from Ancient Greek πεντάγωνον (pentágōnon), noun use of the neuter of the adjective πεντάγωνος (pentágōnos, “five-angled”), from πέντε (pénte, “five”) + -γωνος (-gōnos, “angled”). Equivalent to penta- + -gon.
noun pentagons
-
A polygon with five sides and five angles.
Meronyms: angle, side; see also Thesaurus:polygon
Similar: 5-gon, quinquangle
- A fort with five bastions.
Pentagon²
- /ˈpɛntəɡɑn/ Canada, US
- /ˈpɛntəɡən/ UK
Where it comes from
From the shape of the building.
proper noun the Pentagon
- The headquarters of the United States Department of Defense.
-
The United States Department of Defense.
The Vietnamese people inspired youth of all nationalities […] by demonstrating that the determination of a people to fight for their sovereignty and right to self-determination was an unconquerable force, even in the face of Pentagon might.
Similar: Pentagram
Thesaurus
Closest in meaning: polygon, defense, defence, mod, quinquangle, pentangle, pentagram, pentad, pentacle, pentahedron, pentagonohedron, hexagon, heptagon, quadrangle, octagon, quadrilateral
Translations
Every language
noun a polygon with five sides and five angles
| Español | pentágono |
|---|---|
| 한국어 | 오각형 ogakhyeong |
| 日本語 | 五角形 |
| 中文 | 五角形 wǔjiǎoxíng, 五边形 wǔbiānxíng |
| हिन्दी | पंचकोण pañckoṇ |
| Kiswahili | pentagoni |
| Português | pentágono |
| Français | pentagone |
| Deutsch | Fünfeck, Pentagon |
| Italiano | pentagono |
| Ελληνικά | πεντάγωνο pentágono |
| Русский | пятиуго́льник pjatiugólʹnik |
| Tiếng Việt | ngũ giác, hình năm cạnh |
| العربية | مُخَمَّس muḵammas, خُمَاسِيّ أَضْلَاع ḵumāsiyy ʔaḍlāʕ |
| עברית | מחומש \ מְחֻמָּשׁ mekhumásh |
name headquarters of the United States Department of Defense
| Español | Pentágono |
|---|---|
| 한국어 | 펜타곤 |
| 日本語 | ペンタゴン, 五稜堡 Goryōho |
| 中文 | 五角大樓 /五角大楼 Wǔjiǎo Dàlóu, 五角大廈 /五角大厦 Wǔjiǎo Dàshà |
| हिन्दी | पेंटागन pẽṭāgan |
| Português | Pentágono |
| Français | Pentagone |
| Deutsch | Pentagon |
| Ελληνικά | Πεντάγωνο Pentágono |
| Русский | Пентаго́н Pentagón |
| Tiếng Việt | Lầu Năm Góc, Ngũ Giác Đài |
| العربية | بَنْتَاغُون bantāgōn |
| עברית | פֶּנְטָגוֹן pentagón |
Talk about this word "pentagon." Wiktionary, via Micwyn, micwyn.com/word/pentagon. Accessed 6 Nov. 2026. pentagon. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/pentagon "pentagon." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/pentagon.Cite this
@misc{pentagon_2026,
title = {pentagon},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/pentagon},
urldate = {2026-11-06}
}
