noun
An elegant, classical name for the seventh month of the old lunar calendar, equivalent to 文月 (ふみづき/ふづき). Used mainly in traditional poetry, almanacs, or historical contexts.
See also: 文月
旧暦の七月は蘭月とも呼ばれ、文月にあたる。
The seventh month of the old lunar calendar is also called 蘭月, corresponding to 文月.