Definitions
1.nounThe flexible structure connecting a foetus with the placenta; it transports nourishment to the foetus and removes waste.
2.nounThe line that supplies an astronaut with oxygen and communications when outside a spacecraft.
3.nounAny of the various lines connecting a rocket to its launch pad before liftoff.
4.nounAn overdependence on, or overattachment to, one's parents or guardians.