(n.pl.) The highest class of Vertebrata. The young are nourished for a time by milk or an analogous fluid, secreted by the mammary glands of the mother.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). mammalia. Retrieved September 27, 2026, from http://smartdefine.org/mammalia/definitions/2030164 |
| Chicago | Webster's. 2011. "mammalia" http://smartdefine.org/mammalia/definitions/2030164 (accessed September 27, 2026). |
| Harvard | Webster's 2011, mammalia, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/mammalia/definitions/2030164>. |
| MLA | Webster's. "mammalia" 27 May 2011. Web. 27 September 2026. <http://smartdefine.org/mammalia/definitions/2030164> |