Definitions for placental

This page provides all possible meanings and translations of the word placental

Random House Webster's College Dictionary

pla•cen•ta*pləˈsɛn tə(n.)(pl.)-tas, -tae

  1. the organ in most mammals, formed in the lining of the uterus by the union of the uterine mucous membrane with the membranes of the fetus, that provides for the nourishment of the fetus and the elimination of its waste products.

    Category: Anatomy, Zoology

  2. the part of the ovary of flowering plants that bears the ovules. (in ferns and related plants) the tissue giving rise to sporangia.

    Category: Botany

* (-tē)..

Origin of placenta:

1670–80; < NL: something having a flat, circular form, L: a cake < Gk plakóenta, acc. of plakóeis flat cake, der. of pláx (gen. plakós) flat


Princeton's WordNet

  1. placental, placental mammal, eutherian, eutherian mammal(adj)

    mammals having a placenta; all mammals except monotremes and marsupials

  2. placental(adj)

    pertaining to or having or occurring by means of a placenta

    "all mammals except monotremes and marsupials are placental mammals"


  1. placental(Noun)

    Any animal that is a member of the Placentalia

  2. placental(Adjective)

    Of or pertaining to the placenta, or to the Placentalia

  3. placental(Adjective)

    Having a placenta

Webster Dictionary

  1. Placental(adj)

    of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal

  2. Placental(adj)

    of or pertaining to the Placentalia

  3. Placental(noun)

    one of the Placentalia


Find a translation for the placental definition in other languages:

Select another language:

Discuss these placental definitions with the community:


Use the citation below to add this definition to your bibliography:


"placental." STANDS4 LLC, 2014. Web. 18 Dec. 2014. <>.

Are we missing a good definition for placental?

The Web's Largest Resource for

Definitions & Translations

A Member Of The STANDS4 Network

Nearby & related entries:

Alternative searches for placental: