SG Heritage Dictionary

Word of the Day: Catachrestical

Placental [Adjective] Webster's Dictionary 1828

Pertaining to the placenta.

Placental [Adjective] Webster's Dictionary 1913

1. Of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal.

2. Of or pertaining to the Placentalia.

Placental [Noun] Webster's Dictionary 1913

One of the Placentalia.

Placentalia [Noun plural] Webster's Dictionary 1913

A division of Mammalia including those that have a placenta, or all the orders above the marsupials.