openable panel in a door; door panel that can be opened
Architectural term for a small hinged or sliding panel set within a larger door, allowing ventilation or a view without opening the whole door.
The entrance of old Japanese houses sometimes has an openable panel in the door.
Standard kanji spelling for this architectural term.
Variant kanji spelling; less common.
Named from 無双, a traditional construction using two overlapping latticed or slatted panels; sliding one changes whether their openings align, allowing the panel to open or close.