Also found in: Dictionary.
angle staff, staff angle
A vertical strip of wood or metal at the exterior angle of two plastered surfaces and flush with them; protects the plastering and serves as a guide for floating the plaster; a corner bead, 2.
corner bead, angle bead, angle staff, corner guard, corner molding, plaster bead, staff bead
1. Any vertical molding, usually a plain, filleted, or quirked bead, used to protect the external angle of two intersecting surfaces.
2. A strip of formed galvanized iron, sometimes combined with a strip of metal lath, placed on corners before plastering to reinforce them.