二に黄おう卵らんMeanings1noundouble-yolk eggRefers to an egg that contains two yolks. A straightforward noun used in everyday contexts.今朝けさ、二に黄おう卵らんを見みつけて、ちょっと得とくした気き分ぶんになった。This morning I found a double-yolk egg and felt a little lucky.