noun
A window or opening in a ceiling or roof that can be opened by pulling, often with a cord or lever. The term can refer to a skylight or a trap door, depending on context.
古い家の天井に引き窓がついていた。
The old house had a skylight in the ceiling.
舞台の上に引き窓が開いて、役者が降りてきた。
A trap door opened above the stage, and an actor came down.
Compound of 引き (pulling) and 窓 (window), referring to a window that is opened by pulling.