combat between tanks of opposing armies. [PJC]
army tank, bacteriological warfare, biological warfare, biological warfare defence, biological warfare defense, chemical warfare, class warfare, ecological warfare, electronic warfare, fermentation tank, fish tank, gas tank, gasoline tank, germ warfare, hot-water tank, information warfare, naval air warfare center weapons division, naval special warfare, naval surface warfare center, naval underwater warfare center, pachuca tank, psychological warfare, septic tank, storage tank, tank, tank car, tank circuit, tank destroyer, tank driver, tank engine, tank farm, tank farming, tank furnace, tank iron, tank locomotive, tank shell, tank ship, tank suit, tank top, tank vessel, think tank, trench warfare, warfare, water tank