Definition: Originally, a solid exterior angle, as of a building; now,
commonly, one of the selected pieces of material by which the corner is
marked.
Definition: A wedgelike piece of stone, wood metal, or other material,
used for various purposes
Definition: to support and steady a stone.
Definition: To support the breech of a cannon.
Definition: To wedge or lock up a form within a chase.
Definition: To prevent casks from rolling.