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[uhm-bil-i-kuh s, uhm-buh-lahy-kuh s] /ʌmˈbɪl ɪ kəs, ˌʌm bəˈlaɪ kəs/
noun, plural umbilici
[uhm-bil-uh-sahy, uhm-buh-lahy-sahy] /ʌmˈbɪl əˌsaɪ, ˌʌm bəˈlaɪ saɪ/ (Show IPA)
Anatomy. the depression in the center of the surface of the abdomen indicating the point of attachment of the umbilical cord to the embryo; navel.
Botany, Zoology. a navellike formation, as the hilum of a seed.
Origin of umbilicus
1605-15; < Latin umbilīcus navel, middle, center; see navel Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for umbilicus


/ʌmˈbɪlɪkəs; ˌʌmbɪˈlaɪkəs/
noun (pl) -bilici (-ˈbɪlɪˌsaɪ; -bɪˈlaɪsaɪ)
(biology) a hollow or navel-like structure, such as the cavity at the base of a gastropod shell
(anatomy) a technical name for the navel
Derived Forms
umbiliform (ʌmˈbɪlɪˌfɔːm) adjective
Word Origin
C18: from Latin: navel, centre; compare Latin umbō shield boss, Greek omphalos navel
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
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Word Origin and History for umbilicus

"navel," 1610s, from Latin umbilicus "navel," from PIE root *(o)nobh- "navel" (see navel). In English, mostly confined to medical writing. Latin umbilicus is source of Spanish ombligo as well as Old French lombril, literally "the navel," from l'ombril, which by dissimilation became modern Fr. nombril (12c.).

Online Etymology Dictionary, © 2010 Douglas Harper
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umbilicus in Medicine

umbilicus um·bil·i·cus (ŭm-bĭl'ĭ-kəs, ŭm'bə-lī'kəs)
n. pl um·bil·i·ci (-sī')
See navel.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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