Dictionary/一戦いっせんIssen一戦 (Issen) is a Japanese noun meaning “battle, game, bout”.Meaningsnoun, suru verb, intransitive verbbattle; game; boutKanji in 一戦一one戦warRelated words一寸a little一緒にtogether (with)一one一つone一one一同all present一番number one一人one person第一first戦うto make war (on)一体(what) the heck一緒(doing) together