commercia belli
plural noun
com·mer·cia bel·li
kə¦mərsh(ē)əˈbeˌlī,
-(ˌ)lē;
kə¦merkēəˈbeˌlē
: agreements between enemy states (as truces, capitulations, safe-conducts, and cartels)
Word History
Etymology
New Latin, from Latin, plural of commercium belli stipulation, treaty, literally, intercourse of war