Moulding having a profile of a quarter of a circle.
Four-sided court partially or entirely surrounded by buildings.
A small square or diamond shaped member,as a pane of glass, especially when set diagonally.
Machine made terra-cotta tile. (Glazed or unglazed.)
One of the two vertical tie posts in a Queen Post roof truss. As the member is in tension sometimes a steel of iron rod is used and is known as a Queen Rod.
The dressed cornerstone in a random masonry wall.