A collar tie
Check out "horizontal cylindric segment" in Wolfram Alpha Online. That is the correct term for the solid you are looking for. Wolfram Alpha - "The solid cut from a horizontal cylinder of length L and radius R by a single plane oriented parallel to the cylinder's axis of symmetry (i.e., a portion of a horizontal cylindrical tank which is partially filled with fluid) is called a horizontal cylindrical segment."
Framing
Horizontal.
It is called a horizontal line!
Yo use a spirit level
Either s level or s plumb bob!
Web definition: the horizontal framing member between a door and a window above; also refers to the window above a door.
The horizontal top of a wood frame wall is typically called the "top plate." It is a horizontal member that runs along the top of the wall framing and helps to distribute the load of the roof or upper floors to the vertical studs below.
Portrait is vertical format.Landscape is horizontal format.
horizontal
A ridge board is a horizontal member that supports the upper ends of the rafters in a sloped roof system. It helps to connect and stabilize the rafters at the peak of the roof, providing structural integrity to the roof framing system.
The purlin is the framing member the roofing sheets screw to.
kING STUD
The horizontal member that bears the upright portion of a frame, especially the horizontal member that forms the base of a window.
The horizontal member that bears the upright portion of a frame, especially the horizontal member that forms the base of a window.
The part of the framing above a window opening is known as the lintel. It is a horizontal structural element that supports the load from above, helping distribute the weight of the structure evenly.