Definition of menology:
(n) :
(uncommon) The study of months; the names and system of months within a given calendar.
(n) :
(often capitalized) Synonym of menologium, a monthly record, particularly in Assyriology and certain Christian contexts.
(n) :
(rare) The content of a menologium, a liturgical calendar or hagiography.
(n) :
Alternative letter-case form of menology, particularly in reference to particular editions. [(uncommon) The study of months; the names and system of months within a given calendar.]