Bible Dictionaries
Placentation

Webster's Dictionary

(1):

(n.) The mode of formation of the placenta in different animals; as, the placentation of mammals.

(2):

(n.) The mode in which the placenta is arranged or composed; as, axile placentation; parietal placentation.

Bibliography Information
Webster, Noah. Entry for 'Placentation'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/placentation.html. 1828.