Heptagon

//ˈhɛp.tə.ɡɒn// noun

Definitions

Noun
  1. 1
    A polygon with seven sides and seven angles.
  2. 2
    a seven-sided polygon wordnet

Etymology

Since 16th century, from Ancient Greek ἑπτάγωνον (heptágōnon), from ἑπτά (heptá, “seven”) + γωνία (gōnía, “angle”). By surface analysis, hepta- + -gon.

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