rĕductĭo

I. a leading or bringing back; a restoring, restoration (very rare): quoniam senatūs consultum nullum exstat, quo reductio regis Alexandrini tibi adempta sit, * Cic. Fam. 1, 7, 4 (shortly afterwards: ut per te restituatur et sine multitudine reducatur): per cujus (clipei) reductiones et demissiones, by the raising and lowering of which, Vitr. 5, 10 fin.