D defs.my
Entry 1 sense Webster, 1913

Decidua

· De·cid·u·a · IPA /dɪˈsɪdʒʊə/
01 n. The inner layer of the wall of the uterus, which envelops the embryo, forms a part of the placenta, and is discharged with it.
  1. 1.
    The inner layer of the wall of the uterus, which envelops the embryo, forms a part of the placenta, and is discharged with it.(Anat.)