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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