Placentation
Pronunciation : Plac`en*ta"tion
Part of Speech : n.
Definition : 1. (Anat.)
Defn: The mode of formation of the placenta in different animals; as, the placentation of mammals.
2. (Bot.)
Defn: The mode in which the placenta is arranged or composed; as, axile placentation; parietal placentation.
Source : Webster's Unabridged Dictionary, 1913