POLYHEDRON

polyhedron. Polyhedron, n. a solid with many sides

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Pol′y‐he″dron (?), n.; pl. E. Polyhedrons. (#), L. Polyhedra (#). [[NL., fr. Gr. � with many seats or sides; πολύσ many + � a seat or side: cf. F. polyèdre.]] 1. 1. (Geom.) A body or solid contained by many sides or planes.
2. 2. (Opt.) A polyscope, or multiplying glass.