Egg

卵

(approximately spherical or ellipsoidal body produced by birds, insects, reptiles, and other animals, housing the embryo within a membrane or shell during its development)

蛋

(edible egg of a domestic fowl; the contents of such an egg or eggs used as food)

雞蛋 /鸡蛋

(edible egg of a domestic fowl; the contents of such an egg or eggs used as food)