octagon

n. எண்கோணம், எட்டுப் பக்கங்கள் கொண்ட வளஉரு, எண்கோணப் பகுதியுடைய கட்டிடம்.

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Oc"ta*gon, n. Etym: [Gr. cctogone.] 1. (Geom.) Defn: A plane figure of eight sides and eight angles. 2. Any structure (as a fortification) or place with eight sides or angles. Regular octagon, one in which the sides are all equal, and the angles also are all equal.

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