Chapter Words Relating to the Voluntary Powers of Index by Roget's Thesaurus

• Arena (Substantives), field, walk, battle-field, field of battle, lists, palèstra, course, cinder-track, stage, boards, race-course, corso, circus, ring, cock-pit, bear-garden, scene of action, theatre of war, the enemy's camp, amphitheatre, hippodrome, aerodrome, coliseum (or colosseum), proscenium; playground, Aceldama.