omphalodium
noun
om·pha·lo·di·um
variants or omphalode
ˈ⸗⸗ˌlōd
plural omphalodia
-ˈlōdēə
or omphalodes -ˌlōdz
: the scar at the hilum of a seed
also : hilum
Word History
Etymology
New Latin omphalodium, from Greek omphalōdēs like a navel (from omphal- + -ōdēs -ode) + New Latin -ium