bag of waters

noun phrase

: the double-walled fluid-filled sac that encloses and protects the fetus in the womb and that breaks releasing its fluid during the birth process

Word History

First Known Use

1765, in the meaning defined above

Kids Definition

bag of waters

: the double-walled fluid-filled pouch that encloses and protects the fetus in the uterus and that breaks releasing its fluid during the birth process

Medical Definition

bag of waters

noun

: the double-walled fluid-filled sac that encloses and protects the fetus in the mother's womb and that breaks releasing its fluid during the birth process see water bag