heptahedron

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heptahedron

hep·ta·he·dron

 (hĕp′tə-hē′drən)
n. pl. hep·ta·he·drons or hep·ta·he·dra (-drə)
A polyhedron with seven faces.

hep′ta·he′dral (-drəl) adj.

heptahedron

(ˌhɛptəˈhiːdrən)
n, pl -drons or -dra (-drə)
(Mathematics) a solid figure having seven plane faces. See also polyhedron
ˌheptaˈhedral adj