noun
display window; show window
Refers to a store window where goods are displayed; a somewhat formal or technical term. In everyday conversation, ショーウィンドウ is more common.
デパートの陳列窓には新作のドレスが飾られていた。
The department store's display window was decorated with new dresses.
More common in casual speech; 陳列窓 is more formal or written.
Compound of 陳列 (chinretsu, 'display, exhibition') and 窓 (mado, 'window').