noun
fifth lunar month; fourth lunar month
Rare, archaic term for a lunar month. The exact month varies by old calendar system: sometimes the fifth month, sometimes the fourth. Compare 皐月 (さつき, fifth month) and 卯月 (うづき, fourth month).
古い暦では、梅月は五月を指すこともあれば、四月を指すこともあった。
In old calendars, 梅月 sometimes referred to the fifth month and sometimes to the fourth month.