- (a.) Pertaining to or in the region of, the mastoid process; mastoidal.
- (a.) Resembling the nipple or the breast; -- applied specifically to a process of the temporal bone behind the ear.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). mastoid. Retrieved September 22, 2026, from http://smartdefine.org/mastoid/definitions/2030971 |
| Chicago | Webster's. 2011. "mastoid" http://smartdefine.org/mastoid/definitions/2030971 (accessed September 22, 2026). |
| Harvard | Webster's 2011, mastoid, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/mastoid/definitions/2030971>. |
| MLA | Webster's. "mastoid" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/mastoid/definitions/2030971> |