noun
- Butterfly-shaped bone at the base of the skull.
- synonyms: sphenoid bone, os sphenoidale
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). sphenoid. Retrieved September 21, 2026, from http://smartdefine.org/sphenoid/definitions/1312273 |
| Chicago | WordNet. 2010. "sphenoid" http://smartdefine.org/sphenoid/definitions/1312273 (accessed September 21, 2026). |
| Harvard | WordNet 2010, sphenoid, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/sphenoid/definitions/1312273>. |
| MLA | WordNet. "sphenoid" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/sphenoid/definitions/1312273> |