heptagon
pronunciation
How to pronounce heptagon in British English: UK [ˈheptəgən]
How to pronounce heptagon in American English: US [ˈheptəgɑn]
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- Noun:
- a seven-sided polygon
Word Origin
- heptagon (n.)
- 1560s, from Middle French heptagon, from Greek heptagonon, from hepta "seven" (cognate with Latin septem, Gothic sibun, Old English seofon; see seven) + gonia "angle" (see -gon). Related: Heptagonal.