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Webster 1913 Edition

Noun.

[Gr. [GREEK] twelve + [GREEK] angle: cf. F.

dodécagone

(Geom.)

A figure or polygon bounded by twelve sides and containing twelve angles.

Noun.

[Gr., twelve; an angle.] A regular figure or polygon, consisting of twelve equal sides and angles.

See also: dodecagon

dodecàgon m ‎(plural dodecàgons)