- a tough, cordlike structure connecting the navel of a fetus to the placenta and serving to supply nourishment to, and remove waste from, the fetus
- ☆ umbilical ()
- a. Anatomy The flexible cordlike structure connecting a fetus at the abdomen with the placenta and containing two umbilical arteries and one vein that transport nourishment to the fetus and remove its wastes.b. Something likened to this structure; a source or means of support or sustenance: “All the umbilical cords of dependency still exist because the public wants them” (David A. Stockman).
- Aerospace a. Any of various external electrical lines or fluid tubes that supply a rocket before launch.b. The line that supplies an astronaut with oxygen and in some cases with communications while outside the spacecraft.
(plural umbilical cords)
- (anatomy) The flexible structure connecting a foetus with the placenta; which transports nourishment to the foetus and removes waste.
- (aerospace) The line that supplies an astronaut with oxygen and communications when outside a spacecraft
- (aerospace) any of the various lines connecting a rocket to its launch pad before liftoff