- quadratio
- quā̆drātĭo, ōnis, f. [id.], a square, quadrate:
agatur linea rotundationis, quae quadrationis angulos tangat,
Vitr. 4, 3, 9.
Lewis & Short Latin Dictionary, 1879. - Revised, Enlarged, and in Great Part Rewritten. Charlton T. Lewis, Ph.D. and Charles Short. 2011.