intrados Hear it!

intrados definition

in·tra·dos (in trādäs′)

noun

Archit. the inside curve or surface of an arch or vault

Etymology: Fr < L intra, within + Fr dos < L dorsum, the back

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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