noun om·pha·los \ˈäm(p)-fə-ˌläs, -ləs\

Definition of OMPHALOS

:  a central point :  hub, focal point

Examples of OMPHALOS

  1. <during the Vietnam War the university's campus effectively became the area's omphalos for antiwar activity>

Origin of OMPHALOS

Greek, navel — more at navel
First Known Use: 1855


noun om·pha·los \ˈäm(p)-fə-ˌläs, -ləs\   (Medical Dictionary)
plural om·pha·li \-ˌlī, -ˌlē\

Medical Definition of OMPHALOS

:  navel


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