verb (used with object), cor·beled, cor·bel·ing or (especially British) cor·belled, cor·bel·ling. to set (bricks, stones, etc.)

What do you mean by corbelled?

(Entry 1 of 2) : an architectural member that projects from within a wall and supports a weight especially : one that is stepped upward and outward from a vertical surface. corbel. verb. corbeled or corbelled; corbeling or corbelling.

What is a Corval?

In architecture, a corbel is a structural piece of stone, wood or metal jutting from a wall to carry a superincumbent weight, a type of bracket. A corbel is a solid piece of material in the wall, whereas a console is a piece applied to the structure.