a temporary metal or wooden framework that is used to support workmen and materials during the erection, repair, etc, of a building or other construction
2.
a raised wooden platform on which plays are performed, tobacco, etc, is dried, or (esp formerly) criminals are executed
—vb
3.
to provide with a scaffold
4.
to support by means of a scaffold
[C14: from Old French eschaffaut, from Vulgar Latin catafalicum (unattested); see catafalque]
c.1347 (implied in scaffolding), aphetic of an O.N.Fr. variant of O.Fr. eschafaut "scaffold," probably altered (by influence of eschace "a prop, support") from chaffaut, from V.L. *catafalicum (see catafalque).