noun \ˈin-trə-ˌdäs, -ˌdō; in-ˈtrā-ˌdäs\
plural in·tra·dos \-ˌdōz, -ˌdäs\ or in·tra·dos·es\-ˌdä-səz\

Definition of INTRADOS

:  the interior curve of an arch — see arch illustration

Origin of INTRADOS

French, from Latin intra within + French dos back — more at dossier
First Known Use: 1772


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