Pla*cen"tal (?), a.
1.
Of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal.
2. Zool.
Of or pertaining to the Placentalia.
© Webster 1913.
Pla*cen"tal, n. Zool.
One of the Placentalia.
© Webster 1913.