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- (anatomy) The flexible structure connecting a foetus with the placenta; it transports nourishment to the foetus and removes waste.
- (aeronautics, space) The line that supplies an astronaut with oxygen and communications when outside a spacecraft.
- (aeronautics, space) Any of the various lines connecting a rocket to its launch pad before liftoff.
- (figuratively) An overdependence on, or overattachment to, one's parents or guardians.
cord between foetus and placenta
line connecting an astronaut to the spacecraft during spacewalk