Omphalĭum, s. Omphalodes.
Pierer's Lexicon. 1857–1865.
OMPHALIUM — locus Cretae prope Thennas, et Onossum, alius Thessaliae, Stephan … Hofmann J. Lexicon universale
omphalium — n; see diastomian … Dictionary of invertebrate zoology