Dictionary

umbilicus

noun um·bi·li·cus \ˌəm-ˈbi-li-kəs, ˌəm-bə-ˈlī-\
plural um·bi·li·ci \ˌəm-ˈbi-li-ˌkī, -ˌkē; ˌəm-bə-ˈlī-ˌkī, -ˌsī\ or um·bi·li·cus·es

Definition of UMBILICUS

1
a :  navel 1
b :  any of several morphological depressions; especially :  hilum 1
2
:  a central point :  core, heart
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Origin of UMBILICUS

Latin — more at navel
First Known Use: 1799
Medical Dictionary

umbilicus

noun um·bi·li·cus \ˌəm-ˈbil-i-kəs, ˌəm-bə-ˈlī-\
plural um·bi·li·ci \ˌəm-ˈbil-ə-ˌkī, -ˌkē; ˌəm-bə-ˈlī-ˌkī, -ˌsī\ or um·bi·li·cus·es

Medical Definition of UMBILICUS

:  navel

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