n. (a) (Alg.) A quantic of the fourth degree. See Quantic. (b) (Geom.) A curve or surface whose equation is of the fourth degree in the variables. [ 1913 Webster ]
a. [ Quinque- + article. ] (Theol.) Relating to the five articles or points; as, the quinquarticular controversy between Arminians and Calvinists. [ Obs. ] Bp. Sanderson. [ 1913 Webster ]