monstrātĭo

ōnis, f.

id.

I. a showing, direction (only in Terence and Vitruv.): defessus sum ambulando: ut, Syre, te cum tuā Monstratione magnus perdat Juppiter, Ter. Ad. 4, 6, 1: solers et expedita monstratio, Vitr. 6, 1, 12.
Lewis & Short
A Latin Dictionary, 1879
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