A decahedron is known to the gaming world as a d10 or ten-sided die.

Dec`a*he"dron (?), n.; pl. E. Decahedrons (#), L. Decahedra (#). [Pref. deca- + Gr. 'e`dra a seat, a base, fr. 'e`zesthai to sit: cf. F. d'ecaedre.] Geom.

A solid figure or body inclosed by ten plane surfaces.

[Written also, less correctly, decaedron.]


© Webster 1913.

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