We found 9 dictionaries that define the word decahedra:

General (8 matching dictionaries)

1. decahedra: Merriam-Webster
2. decahedra: Oxford Learner's Dictionaries
3. decahedra: Wiktionary
4. decahedra: Dictionary.com
5. Decahedra: Online Plain Text English Dictionary
6. Decahedra: AllWords.com Multi-Lingual Dictionary
7. decahedra: FreeDictionary.org
8. decahedra: TheFreeDictionary.com

Computing (1 matching dictionary)

9. decahedra: Encyclopedia

(Note: See decahedron as well.)

Definitions from Wiktionary (decahedron) ▸ noun:  A polyhedron with ten faces. ▸ Also see decahedron ▸ Words similar to decahedra ▸ Usage examples for decahedra ▸ Idioms related to decahedra ▸ Wikipedia articles (New!) ▸ Popular adjectives describing decahedra ▸ Words that often appear near decahedra ▸ Rhymes of decahedra ▸ Invented words related to decahedra