'Dodecagon' definitions:
Definition of 'dodecagon'
noun
A twelve-sided polygon
Definition of 'Dodecagon'
- Dodecagon \Do*dec"a*gon\, n. [Gr. ? twelve + ? angle: cf. F.
dod['e]cagone.] (Geom.)
A figure or polygon bounded by twelve sides and containing
twelve angles.
[1913 Webster]