A region in which active military operations are in progress.

synonyms: field, field of operations, theater, theatre, theatre of operations.

Roget 722: warfare; fighting etc. v.; hostilities; war, arms, the sword; Mars, Bellona, grim visaged war, horrida bella [Lat.]; bloodshed.    appeal to arms, appeal to the sword; ordeal of battle; wager of battle; ultima ratio regum [Lat.], arbitrament of the sword.    battle array, campaign, crusade, expedition, operations; mobilization; state of siege; battlefield, theater of operations etc. (arena) 728; warpath.    art of war, tactics, strategy, castrametation^†; generalship; soldiership; logistics; military evolutions, ballistics, gunnery; chivalry.    gunpowder, shot.    battle, tug of war etc. (contention) 720; service, campaigning, active service, tented field; kriegspiel [G.], Kriegsspiel [G.]; fire cross, trumpet, clarion, bugle, pibroch^†, slogan; war-cry, war-whoop; battle cry, beat of drum, rappel, tom-tom; calumet of war; word of command; password, watchword; passage d-armes [Fr.].    war to the death, war to the knife; guerre a mort [Fr.], guerre a outrance [Fr.]; open war, internecine war, civil war.    ... show more