‖n. pl. [ NL. ] (Zool.) A division of Mammalia including those that have a placenta, or all the orders above the marsupials. [ 1913 Webster ]
a.
n. (Zool.) One of the Placentalia. [ 1913 Webster ]
a.
n. (Zool.) One of the Placentalia. [ 1913 Webster ]
‖n. pl. [ NL. ] (Zool.) A division of Mammalia including those that have a placenta, or all the orders above the marsupials. [ 1913 Webster ]