noun
prison window; prison bars
Literary or formal term for a prison window, often used metaphorically to refer to imprisonment or life behind bars.
獄窓から差し込む月明かりだけが、彼の慰めだった。
The moonlight streaming through the prison window was his only comfort.
彼は獄窓の向こうに自由を夢見た。
He dreamed of freedom beyond the prison bars.
Compound of 獄 (prison) and 窓 (window). The reading is on'yomi for both characters.