umbilical /ʌmˈbɪ.lɪ.kəl/adjective 2noun 1forms 1phrases 1 adjective2 •Of, or relating to, the navel (umbilicus) or the umbilical cord.One womb, one shame, one resolve ¶ Liberate this will to release us all ¶ Gotta cut away, clear away ¶ Snip away and sever this umbilical residue ¶ Keeping me from killing you — 2000 •Such that the curvatures of normal sections are all equal to each other. noun1 •A cord connecting an astronaut to a spacecraft, or a craft to ground control prior to launch, etc. formsumbilicals Phrases with umbilical cut the umbilical cordTo end a child's overdependence on or overattachment to their parents.