noun
milking machine; breast pump
Refers to a mechanical device for extracting milk, typically from cows or humans. In modern contexts, it can mean either a dairy milking machine or a breast pump for nursing mothers.
酪農家は毎朝、乳搾り器を使って牛の乳を搾る。
The dairy farmer uses a milking machine every morning to milk the cows.
搾乳機 is a more technical or formal term for a milking machine, often used in agricultural contexts. 乳搾り器 is a more descriptive compound that can also refer to a breast pump.
Compound of 乳 (ちち, 'milk'), 搾り (しぼり, stem of 搾る 'to squeeze'), and 器 (き, 'device').