意味: たいせんn. (Kanji=対戦) competition, act of competing against anothern. (Kanji=苔癬) lichen, plant organism made up of a fungus and an alga which grow together on rocks (tree trunks, walls etc.)n. (Kanji=大戦) great war, great battlen. (Kanji=対潜) quality of being antisubmarinev. (Kanji=対戦する) fight, combat