octahedron
nounA polyhedron with eight faces.
nounA solid bounded by eight faces.
nounA solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles.
nouna
any polyhedron having eight plane faces
A polyhedron with eight faces.
nounA solid bounded by eight faces.
nounA solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles.
nouna
any polyhedron having eight plane faces
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