Lewis & Short

con-quā̆dro, āvi, ātum, 1, v. a. and n. (very rare).

  1. I. Act., to make square: aurum, Varr. ap. Non. p. 131, 14: perticas (just before: dolare in quadrum), Col. 8, 3, 7.
  2. II. Neutr., to be proportioned to, to agree with, to square to (late Lat.), Sid. Ep. 2, 2; 3, 7 al.