bag of waters

See more synonyms for bag of waters on
  1. a fluid-filled membranous sac in the pregnant uterus that encloses and cushions the fetus, normally breaking at or just before the time of birth; the amnion.

Origin of bag of waters

First recorded in 1880–85 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for bag of waters

afterbirth, amnion, placenta