queen closer[′kwēn ‚klōs·ər]
In masonry work, a brick that has been cut in half along its length and is used at the end of a course.
A brick cut in half along its length to keep the bond correct at the corner of a brick wall. See also: Brick
A brick which has been cut in half along its length; it is of normal thickness but half normal width; used to complete a course or to space normal-sized bricks.