ポアソンalso: ポワソンポアソンMeanings1nounfish (in French cuisine)food / cookingUsed in culinary contexts to refer to fish as an ingredient or dish in French cooking. Not a general word for fish.from French poissonSee also: 魚このレストランのポアソン料りょう理りは絶ぜっ品ぴんだ。The poisson dishes at this restaurant are exquisite.