たいせいようくろまぐろMeaningsNoun1. Atlantic bluefin tuna (Thunnus thynnus); northern bluefin tuna (Usually kana)Other spellings大たい西せい洋よう黒くろ鮪まぐろUsually written in kanaOther readingsタイセイヨウクロマグロKanji in other spellings大large西west洋ocean黒black鮪tuna