a. Carrying on war in conjunction with another power. [ 1913 Webster ]
n. A nation or state that carries on war in connection with another. [ 1913 Webster ]
a. [ L. bellum war + gerens, -entis, waging, p. pr. of gerere to wage: cf. F. belligérant. See Bellicose, Jest. ]
n. A nation or state recognized as carrying on war; a person engaged in warfare. [ 1913 Webster ]
adv. In a belligerent manner; hostilely. [ 1913 Webster ]