Cossic
Pronunciation : Cos"sic (ks"sk), Cos"sic*al (-s-kal)
Part of Speech : a.
Etymology : [It. cossico. See 2d Coss.]
Definition : Defn: Of or relating to algebra; as, cossic numbers, or the cossic art. [Obs.] "Art of numbers cossical." Digges (1579).
Source : Webster's Unabridged Dictionary, 1913