key
The removable operating member of a lock. Photo from Buffalo History Museum, Buffalo, New York, 2023. 2. A wedge cross-reinforcing a miter joint or locking a tenon. 3. A wedge-shaped floor board. 4. A roughened surface that receives glued veneer. 5. The plaster or mortar extruded behind lath which, when hard, serves to hold the plaster in place. Photo from Colonial Williamsburg, Williamsburg, Virginia, 2025. 6. A sinkage in tile or terra cotta to engage mortar. 7. The dominant tonal value of a drawing or painting. 8. A grooving or roughness applied to a surface to improve its bond with another surface. (Saylor, 1952)
Photo from Colonial Williamsburg, Williamsburg, Virginia, 2025.