A device designed to extract milk from animals or people. The devices use cylinders or cups placed over the teat and then uses suction to induce lactation.
Devices designed to extract milk for a lactating woman are called "breast pumps," and may be manual or automatic. Devices designed to extract milk from animals, particularly diary cows, are called "milking machines," and are automatic.
The following tags implicate this tag: breast_pump (learn more).