n. 多面体

[ noun ]
a solid figure bounded by plane polygons or faces
<noun.shape>

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.