| a garment that covers the head and face | the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus |
| a vestment worn by a priest at High Mass in the Roman Catholic Church; a silk shawl | that part of the ovary of a flowering plant where the ovules form |
| the inner membrane of embryos in higher vertebrates (especially when covering the head at birth) | |
| a membranous covering attached to the immature fruiting body of certain mushrooms | |