Hypertext Webster Gateway: "polyhedrons"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Polyhedron \Pol`y*he"dron\, n.; pl. E. {Polyhedrons}., L.
{Polyhedra}. [NL., fr. Gr. ? with many seats or sides; poly`s
many + ? a seat or side: cf. F. poly[`e]dre.]
1. (Geom.) A body or solid contained by many sides or planes.
2. (Opt.) A polyscope, or multiplying glass.
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