intrados: Meaning and Definition of

in•tra•dos

Pronunciation: (in'tru-dos", -dōs", in-trā'dos, -dōs), [key]
— pl. -dos -dos•es.
  1. the interior curve or surface of an arch or vault. Cf. extrados.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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