1. the serous fluid in which the embryo is suspended inside the amnion; - Example: "before a woman gives birth her waters break" [syn: amniotic fluid, amnionic fluid, waters]
WordNet (r) 3.0 (2006):
amniotic fluid
n 1: the serous fluid in which the embryo is suspended inside
the amnion; "before a woman gives birth her waters break"
[syn: amniotic fluid, amnionic fluid, waters]