the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > membranes, etc., of embryo or fetus > [noun] > amniotic fluid (3)
Amniotic fluid. In later use frequently in plural.
Obstetrics. A thin, greenish vaginal discharge, occurring after childbirth as a late stage of the lochia. In later use usually in plural. Now disused.
Obstetrics. = liquor amnii at sense 6(b) above.