A masonry mass (or the like) which receives the thrust of an arch, vault, or strut.

In the plane Cartesian coordinate system, the horizontal coordinate of a point on a plane; the x-coordinate, obtained by measuring the distance from

A monastery or convent; particularly the church thereof.

In a church, a sound reflector behind and over a pulpit.

The uppermost member of the capital of a column; often a plain square slab, but sometimesmolded or otherwise enriched.