01 n. A temporary structure of timber, boards, etc., for various purposes, as for supporting workmen and materials in building, for exhibiting a …
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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.” — Shak.
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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.
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3.
An accumulation of adherent, partly fused material forming a shelf, or dome-shaped obstruction, above the tuyères in a blast furnace.(Metal.)