Found 2 items, similar to placental.
English → English (WordNet) Definition: placental placental adj : of or having or occurring by means of a placenta; “all mammals except monotremes and marsupials are placental mammals” [ant: aplacental] placental n : mammals having a placenta; all mammals except monotremes and marsupials [syn: placental mammal, eutherian, eutherian mammal ]
English → English (gcide) Definition: Placental Placental \Pla*cen"tal\, a. 1. Of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal. [1913 Webster] 2. (Zo["o]l.) Of or pertaining to the Placentalia. [1913 Webster] Placental \Pla*cen"tal\, n. (Zo["o]l.) One of the Placentalia. [1913 Webster]