Compass (architecture)

In carpentry, architecture, and shipbuilding, a compass is a curved circular form.

Examples

 * A compass plane is a plane that is convex, length-ways, on the underside, for smoothing the concave faces of curved woodwork.
 * A compass saw is a narrow-bladed saw that cuts a curve.
 * A compass timber is a curved (or crooked) timber, sometimes used in shipbuilding.
 * A compass brick is a curved brick.
 * A compass wall is a curved wall.
 * A compass window is a circular bay window.
 * A surveyor's compass (or circumferentor) is a measuring instrument used in surveying horizontal angles.