1) Relating to the umbilicus 
http://books.google.com/books?id=VuBDAAAAIAAJ The carrier was incorporated July 9, 1907, under the general laws of the State of Pennsylvania, for the purpose of connecting the industrial plants of the iron and steel company and to give these plants a rail connection with the Pennsylvania and the Philadelphia and Reading railroads. The owned mileag...
• (a.) Of or pertaining to the umbilicus, or navel.
(om-fal´ik) umbilical.
Om·phal'ic adjective [ Greek ... having a boss, bossy, from ... the navel. See Navel .] (Anat.) Of or pertaining to the umbilicus, or navel. 
Relating to the umbilicus.
Type: Term Pronunciation: om-fal′ik Synonyms: umbilical