Normális, & hoc normâle, pen. prod. Right to the rule: made by the sqnire or rule: vt Normalis angulus. Quintil.A corner made by rule.
Lewis and Short: Latin dictionary
normālis, e, adj. [norma], made according to the square: normalis angulus,
a right angle
, Quint. 11, 3, 141: virgula,
a square
, Manil. 2, 289: rigores, Aggen. ap. Comm. in Frontin. p. 53 Goes.—Hence, adv.: normālĭter, according to the square, Hyg. de Limit. p. 168 and 176 Goes. —B.In a straight line, directly, Amm. 20, 3, 11.