umbilical
/ʌmbɪlˈaɪ.kəl//ʌmˈbɪl.ɪkəl/
noun
- 1
A cord connecting an astronaut to a spacecraft, or a craft to ground control prior to launch, etc.
adjective
- 1
Of, or relating to, the navel (umbilicus) or the umbilical cord.
- 2
Such that the curvatures of normal sections are all equal to each other.
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