QUADRATICK Equations, are such as retain, on the unknown side, the square of the root, or the number sought.
QUADRATRICE, Fr. See [Quadrant].
QUADRATURE, Fr. Quadrature.
QUADRILATERAL, (Quadrilatére, Fr.) having four sides.
QUADRILLE, Fr. This word is pronounced Cadrille. Small parties of horse, richly caparisoned, &c. which used formerly to ride, &c. in tournaments and at public festivals. The Quadrilles were distinguished from one another by the shape or color of the coats which the riders wore. This word is derived from the Italian Quadriglia, or Squadriglia, being a diminutive of Squadra, a company of soldiers drawn up in a square.
QUADRIVIAL, having four roads or ways, meeting in a point.
QUAI, Fr. See Quay.
QUAICHE, or CAICHE, Fr. A decked vessel, a ketch.
QUAKER-GUNS. See [Passe Volans].
QUALIFICATION. That which makes any person or thing fit for any thing.