A dispute between two parties, particularly an entrenched, back-and-forth dispute.
A game or competition in which two teams pull or tug on opposite ends of a rope trying to force the other team over the line which initially marked the middle between the two teams.
The waging of war or armed conflict against an enemy.
Military operations of some particular kind e.g. guerrilla warfare.
To lead a military life; to carry on continual wars.