Intrados

noun

Definitions

Noun
  1. 1
    The inner curve of an arch or vault.

    "* Application of stitching bars to intrados (inner arch) though cracked voussoirs, grout and apply crack injection to seal."

  2. 2
    the interior curve of an arch wordnet

Etymology

From French, from Latin intra (“within”) + French dos (“back”) (from Latin dostrum).

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