Scaf"fold, v. t. To furnish or uphold with a scaffold.

Scaf"fold (?), n. [OF. eschafault, eschafaut, escafaut, escadafaut, F. échafaud; probably originally the same word as E. & F. catafalque, It. catafalco. See Catafalque.] 1. A temporary structure of timber, boards, etc., for various purposes, as for supporting workmen and materials in building, for exhibiting a spectacle upon, for holding the spectators at a show, etc.

Pardon, gentles all,
The flat, unraised spirits that have dared
On this unworthy scaffold to bring forth
So great an object.

2. Specifically, a stage or elevated platform for the execution of a criminal; as, to die on the scaffold.

That a scaffold of execution should grow a scaffold of coronation.
Sir P. Sidney.

3. (Metal.) An accumulation of adherent, partly fused material forming a shelf, or dome-shaped obstruction, above the tuyères in a blast furnace.