Meanings
plural heptagons
- A polygon with seven sides and seven angles.
Meronyms: angle, side; see also Thesaurus:polygon
1 more example
So if Colorado is not a rectangle, what is it? Well, not a pentagon, (Greek for 5-sider), hexagon (6-sider), or a heptagon (7-sider), but a—hold on to something—hexahectaenneacontakaiheptagon (697-sider).
2023 January 23 [2018 October 31], Frank Jacobs, “Colorado Is Not a Rectangle—It Has 697 Sides”, in Big Think, archived from the original on 20 Apr 2023Synonyms: 7-gon, septagon[Appendix:Glossary
Synonyms & antonyms
nounA polygon with seven sides and seven angles.
Origin
- Ancient Greekἑπτάγωνον
- Englishheptagon
Since 16th century, from Ancient Greek ἑπτάγωνον (heptágōnon), from ἑπτά (heptá, “seven”) + γωνία (gōnía, “angle”). By surface analysis, hepta- + -gon.
More words from Ancient Greek
Full word history & related roots →Translations
Afrikaans heptagoon, sewehoek
- heptagoonpolygon with seven sides and seven angles
- sewehoekpolygon with seven sides and seven angles
Ancient Greek ἑπτάγωνον
- ἑπτάγωνον (heptágōnon)polygon with seven sides and seven angles
Arabic مُسَبَّع
- مُسَبَّع (musabbaʕ)polygon with seven sides and seven angles
Bengali সপ্তভুজ
- সপ্তভুজ (śoptobhuj)polygon with seven sides and seven angles
Bulgarian седмоъгълник
- седмоъгълник (sedmoăgălnik)polygon with seven sides and seven angles
Catalan heptàgon
- heptàgonpolygon with seven sides and seven angles
Chinese Mandarin 七角形
- 七角形 (qījiǎoxíng)polygon with seven sides and seven angles
Czech sedmiúhelník
- sedmiúhelníkpolygon with seven sides and seven angles
Danish syvkant
- syvkantpolygon with seven sides and seven angles
Dutch zevenhoek, heptagoon
- zevenhoekpolygon with seven sides and seven angles
- heptagoonpolygon with seven sides and seven angles
Esperanto seplatero, sepangulo
- seplateropolygon with seven sides and seven angles
- sepangulopolygon with seven sides and seven angles
- heptagonopolygon with seven sides and seven angles
Finnish seitsenkulmio
- seitsenkulmiopolygon with seven sides and seven angles
French heptagone
- heptagonepolygon with seven sides and seven angles
German Siebeneck, Heptagon
- Siebeneckpolygon with seven sides and seven angles
- Heptagonpolygon with seven sides and seven angles
Greek επτάγωνο, εφτάγωνο
- επτάγωνο (eptágono)polygon with seven sides and seven angles
- εφτάγωνο (eftágono)polygon with seven sides and seven angles
Hebrew משובע \ מְשֻׁבָּע
- משובע \ מְשֻׁבָּע (meshubá)polygon with seven sides and seven angles
Hindi सप्तकोण
- सप्तकोण (saptakoṇ)polygon with seven sides and seven angles
Hungarian hétszög
- hétszögpolygon with seven sides and seven angles
Icelandic sjöhyrningur
- sjöhyrningurpolygon with seven sides and seven angles
Indonesian segi tujuh
- segi tujuhpolygon with seven sides and seven angles
Italian ettagono, eptagono
- ettagonopolygon with seven sides and seven angles
- eptagonopolygon with seven sides and seven angles
Japanese 七角形
- 七角形 (nanakakukei)polygon with seven sides and seven angles
Korean 칠각형
- 칠각형 (chilgakhyeong)polygon with seven sides and seven angles
Persian هفت ضلعی
- هفت ضلعیpolygon with seven sides and seven angles
Polish siedmiokąt
- siedmiokątpolygon with seven sides and seven angles
Portuguese heptágono
- heptágonopolygon with seven sides and seven angles
Romanian heptagon
- heptagonpolygon with seven sides and seven angles
Russian семиуго́льник
- семиуго́льник (semiugólʹnik)polygon with seven sides and seven angles
Scottish Gaelic seachd-shliosach
- seachd-shliosachpolygon with seven sides and seven angles
Slovak sedemuholník
- sedemuholníkpolygon with seven sides and seven angles
Spanish heptágono
- heptágonopolygon with seven sides and seven angles
Tagalog pitsiha, heptagon
- pitsihapolygon with seven sides and seven angles
- heptagonpolygon with seven sides and seven angles
- eptagonopolygon with seven sides and seven angles
Thai เจ็ดเหลี่ยม
- เจ็ดเหลี่ยม (jèt-lìiam)polygon with seven sides and seven angles
Turkish yedigen
- yedigenpolygon with seven sides and seven angles
Ukrainian семикутник
- семикутник (semykutnyk)polygon with seven sides and seven angles
Vietnamese hình bảy cạnh
- hình bảy cạnhpolygon with seven sides and seven angles
Welsh seithongl
- seithonglpolygon with seven sides and seven angles
Rhymes & wordplay
Anagrams
Cite this entry
heptagon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/heptagon
“heptagon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heptagon. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “heptagon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/heptagon.
Source: heptagon on Wiktionary, CC BY-SA 4.0.