extentio

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

extentĭo, ōnis, f. [extendo],

a stretching out , extension : capitis, Theod. Prisc. 2, 1, 3; Vitr. 7, praef. § 11.— Plur. , Vitr. 9, 1, 13 al.