Casement Window
What is a casement window?
Casement window definition - A window that has frames hinged on the side and that opens outward. Often compared to the operation of an outward-opening door.
Ideal Home Garden Explains
Casement windows offer a different look than sash windows. These windows open outwards allowing maximum sunlight and fresh air to enter the room. The other benefit to this window style is that they are easy to open and maintain.

