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The Collaborative International Dictionary of English v.0.48 (gcide)

Umbilical \Um*bil"ic*al\, a. [Cf. F. ombilical. See {Umbilic},
n.]
1. (Anat.) Of or pertaining to an umbilicus, or umbilical
cord; umbilic.
[1913 Webster]

2. Pertaining to the center; central. [R.] --DeFoe.
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{Umbilical cord}.
(a) (Anat.) 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.
(b) (Bot.) The little stem by which the seeds are attached
to the placenta; -- called also {funicular cord}.

{Umbilical hernia} (Med.), hernia of the bowels at the
umbilicus.

{Umbilical point} (Geom.), an umbilicus. See {Umbilicus}, 5.


{Umbilical region} (Anat.), 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} (Anat.), a saccular appendage of the
developing embryo, containing the nutritive and
unsegmented part of the ovum; the yolk sac. See Illust. in
Appendix.
[1913 Webster] Umbilicate