dodecahedron

do·dec·a·he·dron Audio Help (dō'děk-ə-hē'drən)

n. pl. do·dec·a·he·drons or do·dec·a·he·dra (-drə)
A polyhedron with 12 faces.

[Greek dōdekaedron : dōdeka, twelve; see dodecagon + -edron, -hedron.]
do'dec·a·he'dral adj.

(Download Now or Buy the Book)
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2000 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.