dodecahedron

noun do·deca·he·dron \(ˌ)dō-ˌde-kə-ˈhē-drən\

plural do·deca·he·drons or do·deca·he·dra\-drə\

Definition of DODECAHEDRON

: a solid having 12 plane faces

— do·deca·he·dral \-drəl\ adjective

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Greek dōdekaedron, from dōdeka- + -edron -hedron

First Known Use: circa 1570

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