<geometry> A plane figure having ten sides and ten angles; any figure having ten angles. A regular decagon is one that has all its sides and angles equal.

Origin: Pref. Deca- + Gr. A corner or angle: cf. F. Decagone.

(01 Mar 1998)

dec, deca-, decacerata, decade, decadron < Prev | Next > decagram, decagynia, decahedron

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