'Xenium' definitions:
- Xenium \Xe"ni*um\ (z[=e]"n[i^]*[u^]m), n.; pl. Xenia
(z[=e]"n[i^]*[.a]). [L., from Gr. xe`nion gift to a guest,
fr. xe`nos guest.] (Class. Antiq.)
A present given to a guest or stranger, or to a foreign
ambassador.
[1913 Webster]