Innisfree is a proper noun referring to a poetic, idyllic place—most famously the setting of Yeats's lyric poem. It denotes a small, often metaphorical, island or beloved landscape and conveys a sense of tranquil nature. The term combines Celtic Harp-like imagery with Irish geographic naming, evoking a pastoral, lyrical mood rather than a common noun. (2-4 sentences, ~60 words)
Full pronunciation guide