also: たけまど
noun
bamboo window
A window made of bamboo, or a window with a bamboo lattice or frame.
茶室の竹窓から柔らかな光が差し込む。
Soft light streams in through the bamboo window of the tea room.
noun
window with bamboo planted in front
A window that has bamboo plants growing in front of it, often for aesthetic or shading purposes.
縁側の竹窓の向こうに、風に揺れる竹の葉が見える。
Beyond the window with bamboo planted in front of the veranda, you can see bamboo leaves swaying in the wind.
Compound of 竹 (bamboo) and 窓 (window). The reading ちくそう uses the on'yomi of both characters, while たけまど uses the kun'yomi. The exact historical derivation is uncertain, but the term likely originated in traditional Japanese architecture.