- (n.) One of the Placentalia.
- (a.) Of or pertaining to the Placentalia.
- (a.) Of or pertaining to the placenta; having or characterized by having, a placenta; as, a placental mammal.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). placental. Retrieved September 27, 2026, from http://smartdefine.org/placental/definitions/2045990 |
| Chicago | Webster's. 2011. "placental" http://smartdefine.org/placental/definitions/2045990 (accessed September 27, 2026). |
| Harvard | Webster's 2011, placental, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/placental/definitions/2045990>. |
| MLA | Webster's. "placental" 27 May 2011. Web. 27 September 2026. <http://smartdefine.org/placental/definitions/2045990> |