Umbilical cord
WordNet
noun
(1) Membranous duct connecting the fetus with the placenta
WiktionaryText
Noun
- 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