D defs.my
Entry 2 senses Webster, 1913

Umbilical

/əm-bĭl'-ĭk-əl/ · Um·bil·ic·al · IPA /ʌmˈbɪ.lɪ.kəl/
01 a. Of or pertaining to an umbilicus, or umbilical cord; umbilic.
  1. 1.
    Of or pertaining to an umbilicus, or umbilical cord; umbilic.(Anat.)
  2. 2.
    Pertaining to the center; central.[R.]
Phrases & compounds
Umbilical cord — The cord which connects the fetus with the placenta, and contains the arteries and the vein through which blood circulates between the fetus and the placenta; the navel-string.
Umbilical hernia — hernia of the bowels at the umbilicus.
Umbilical point — an umbilicus. See Umbilicus, 5.
Umbilical region — the middle region of the abdomen, bounded above by the epigastric region, below by the hypogastric region, and on the sides by the lumbar regions.
Umbilical vesicle — a saccular appendage of the developing embryo, containing the nutritive and unsegmented part of the ovum; the yolk sac. See Illust. in Appendix.