umbilicus

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

Definition of umbilicus 

1a : navel sense 1

b : any of several morphological depressions especially : hilum sense 1

2 : a central point : core, heart

First Known Use of umbilicus

1799, in the meaning defined at sense 1a

History and Etymology for umbilicus

Latin — more at navel

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The first known use of umbilicus was in 1799

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More Definitions for umbilicus

umbilicus

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

Medical Definition of umbilicus 

: navel

More from Merriam-Webster on umbilicus

Britannica.com: Encyclopedia article about umbilicus

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