This is, basically, every English professor’s dream: foreign, historical poetry by an oppressed people where the subtext is the only thing that matters.
A type of allegorical poem in the Irish language, often serving as a vehicle for political or social comment, which depicts the poet’s conversation with a spirit woman who is usually a personification of Ireland. Cf. vision poem n. at VISION n. Compounds 1a.
The aisling form is particularly associated with pro-Jacobite poets of the 18th cent. who used it to circumvent restrictions on political expression.