DECIDENCE
Dec"i*dence, n. Etym: [L. decidens falling off.]

Defn: A falling off. [R.] Sir T. Browne.

DECIDER
De*cid"er, n.

Defn: One who decides.

DECIDUA
De*cid"u*a, n. Etym: [NL., fr. L. deciduus. See Deciduous.] (Anat.)

Defn: The inner layer of the wall of the uterus, which envelops the embryo, forms a part of the placenta, and is discharged with it.

DECIDUATA
De*cid`u*a"ta, n. pl. Etym: [NL.] (Zoöl.)

Defn: A group of Mammalia in which a decidua is thrown off with, or after, the fetus, as in the human species.

DECIDUATE
De*cid"u*ate, a. (Anat.)

Defn: Possessed of, or characterized by, a decidua.