noun
- That part of the ovary of a flowering plant where the ovules form.
- The vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Placenta. Retrieved September 21, 2026, from http://smartdefine.org/placenta/definitions/1213311 |
| Chicago | WordNet. 2010. "Placenta" http://smartdefine.org/placenta/definitions/1213311 (accessed September 21, 2026). |
| Harvard | WordNet 2010, Placenta, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/placenta/definitions/1213311>. |
| MLA | WordNet. "Placenta" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/placenta/definitions/1213311> |