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