[uhm-bil-i-kuh l]


of, relating to, or characteristic of an umbilicus or umbilical cord.
joined together by or as if by an umbilical cord; heavily dependent in a close relationship.
adjacent to or located near the navel; central to the abdomen: the umbilical region.
serving as or containing a conduit through which power is transferred, especially to a unit that will be or is designed to be ultimately self-sufficient or independent: an umbilical cable for launching a rocket; an umbilical plug for starting jet engines.


Origin of umbilical

1535–45; < Medieval Latin umbilīcālis, equivalent to Latin umbilīc(us) (see umbilicus) + -ālis -al1
Related formsum·bil·i·cal·ly, adverbnon·um·bil·i·cal, adjectivepost·um·bil·i·cal, adjectivesub·um·bil·i·cal, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for umbilical



of, relating to, or resembling the umbilicus or the umbilical cord
in the region of the umbilicusan umbilical hernia


short for umbilical cord
Derived Formsumbilically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for umbilical

"pertaining to the navel," 1540s, from Medieval Latin umbilicalis "of the navel," from Latin umbilicus "navel" (see umbilicus). Umbilical cord attested by 1753 (the native term is navel string).

Online Etymology Dictionary, © 2010 Douglas Harper

umbilical in Medicine




Of or relating to the navel.
Relating to the umbilical region of the abdomen.
Related formsum•bili•cal•ly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.