Lewis Short
(verb) : con-quādro, āvi, ātum, 1, and n. (very rare).
* Act., to make square: aurum, Varr. ap. Non. p. 131, 14: perticas (just before: dolare in quadrum),Col. 8, 3, 7.
* Neutr., to be proportioned to, to agree with, to square to (late Lat.), Sid. Ep. 2, 2; 3, 7 al.
Charlton T. Lewis, Charles Short, A Latin Dictionary