Definition:Hendecahedron/Linguistic Note

Linguistic Note on Hendecahedron

The word hendecahedron derives from the Classical Greek ἕνδεκαεδρόν:

hendeca (ἕνδεκα), meaning eleven

hedron (a form of ἕδρα), meaning base or seat.

The technically correct plural of hendecahedron is hendecahedra, but the word hendecahedrons can often be found.