umbilical cord
nounDefinition of umbilical cord
1a
: a cord arising from the navel that connects the fetus with the placenta and through which respiratory gases, nutrients, and wastes pass
b
: yolk stalk
2
: a tethering or supply line (as for an astronaut outside a spacecraft or a diver underwater)
3
: a necessary, supportive, or nurturing link or connection
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