(1)a white nutritious liquid secreted by mammals and used as food by human beings
(2)哺乳動物が分泌する白い滋養分に富む液体で人間の食物に使う
(3)any of several nutritive milklike liquids
(4)数種の滋養に富むミルク状の液体
(5)milk obtained from dairy cows
(6)乳牛のミルク