'Menaion' definitions:
- Menaion \Me*na"ion\ (m[-e]*n[=a]"y[o^]n), n.; pl. Menaia
(-y[.a]). [NL., from Gr. mhnai^os monthly.] (Eccl.)
A work of twelve volumes, each containing the offices in the
Greek Church for a month; also, each volume of the same.
--Shipley.
[1913 Webster] Menild