κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
quā̆drātūra: ae, f. quadro.
I A making square, squaring, quadrature (postclass.): circuli quadratura, the squaring or quadrature of the circle, App. Dogm. Plat. 3, p. 37, 11.—
II Transf., a square: vitreae, Vop. Firm. 3.