noun[ C ]anatomyspecializeduk/ʌmˈbɪl.ɪ.kəs/us/ʌmˈbɪl.ə.kəs/umbilici/ʌmˈbɪl.ɪ.kaɪ//ʌmˈbɪl.ə.kaɪ/umbilicuses
脐
the small, round part in the middle of the belly that is left after the umbilical cord (= the long tube of flesh joining the baby to its mother) has been cut at birth
Unlike other mammals, the human umbilicus is clearly visible.和其他哺乳动物不同，人类的脐肉眼清楚可见。