Webster's Revised Unabridged Dictionary · 1913

Belligerent

Belligerent ({not transcribed}) , adjective

[Latin bellum war + gerens, -entis, waging, present participle of gerere to wage: compare French belligérant. See Bellicose, Jest.]

1.
Waging war; carrying on war.
Belligerent powers. — E. Everett
2.
Pertaining, or tending, to war; of or relating to belligerents; as, a belligerent tone; belligerent rights.

Belligerent , noun

A nation or state recognized as carrying on war; a person engaged in warfare.