Milking
Breast Pumping
noun, verbal noun
さくにゅう
搾る (しぼる) To Squeeze, To Press, To Milk
搾乳 (さくにゅう) Milking, Breast Pumping
哺育 (ほいく) Nursing, Suckling
牛乳 (ぎゅうにゅう) Milk, Cow's Milk
巨乳 (きょにゅう、not on WK) Huge Breasts
哺育 means Nursing, i.e. breastfeeding a baby. 搾乳 is when a Breast Pump is used to collect human or cow milk.