Bellicose \Bel"li*cose`\, a. [L. bellicosus, fr. bellicus of war, fr. bellum war. See Duel.]

Inclined to war or contention; warlike; pugnacious.

Arnold was, in fact, in a bellicose vein. --W. Irving.

Source: Webster's Revised Unabridged Dictionary (1913)