Felonice
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Feloniously.
Anciently an indispensable word in indictments for felony, and classed by Lord Coke among those voces artis (words of art) which cannot be expressed by any periphrasis or circumlocution.
4 Coke, 39; Co. Litt. 391a; 4 Bl. Comm. 307.