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Meaning of braced arch

braced' arch'

Pronunciation: [key]
  1. an arch of steel, timber, etc., having a trusslike framework maintaining rigidity under a variety of eccentric loads: a true arch because it is fixed or tied at both sides of the base. Cf. arched truss.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.