What is another name for a Window Well, where the bottom sash rests when shut?

The term "Jamb" refers to the vertical sides of a window frame that hold the window in place and provide structure to the opening. When a window is closed, the bottom sash of the window fits neatly against the jamb, creating a seal and ensuring that the window operates correctly within the frame. In this context, it is the component where the sash rests when shut, effectively supporting and guiding the window's vertical movement.

The other terms, while related to construction and windows, do not specifically describe the area where the window sash rests. For instance, a channel typically refers to a groove or track that guides or holds something, not specifically pertaining to the window sash's resting place. Fascia relates to a board that runs along the edge of the roof, and trough often denotes a container for holding water or other substances, neither of which apply to the mechanism of a window sash. Therefore, the correct choice highlights the specific functional aspect of the window assembly relevant to lead paint risk assessments.