dux bellorum

English

Etymology

From Latin dux (leader) + bellum (battle, war).

Noun

dux bellorum (plural duces bellorum)

1. A war leader or warlord
   • 1988, William Manchester, The Last Lion: Winston Spencer Churchill, volume 2, page 506:

     The desperate kings turned to a dux bellorum -- no monarch, but in those times something far more prestigious: a military commander of great gifts and courage […]