Dictionary.net

• The second coat of the ovule, lying within the primine.

1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.

• The inner integument of an ovule; the coat immediately surrounding the nucellus.

• In the pl., the placenta, the fetal membranes, and the umbilical cord as they are expelled after the birth of the child. [Lat.]

1916 - Appleton's medical dictionary
By Smith Ely Jelliffe