casement ventilator
A casement, 1, which opens like a door, supported on hinges, pivots, or friction hinge mechanisms.
Glossary
casement
Glossary
casement hinge
A hinge on which a casement, 1 is hung; also see butt casement hinge, close-up casement hinge, extension casement hinge.
Glossary
casement adjuster
A device for holding a casement in any open position. Also see casement stay.