noun🔗ShareA cord connecting an astronaut to a spacecraft, or a craft to ground control prior to launch, etc."Before launch, the spacecraft's umbilical provided power and data connections to ground control. "spacetechnologyvehiclecommunicationmachineChat with AIVocabulary GamePractice Reading
adjective🔗ShareOf, or relating to, the navel (umbilicus) or the umbilical cord."The doctor examined the newborn's umbilical cord stump before the baby went home. "anatomyphysiologybodymedicineorganbiologyhumanorganismChat with AIVocabulary GamePractice Reading
adjective🔗ShareSuch that the curvatures of normal sections are all equal to each other."A perfectly round ball has an umbilical surface because the curvature is the same in every direction at any point. "mathChat with AIVocabulary GamePractice Reading
