A cow kept for milking; a dairy cow.
A cash cow.
A cow that produces milk (having had at least one calf).
A German WWII submarine designed to carry large cargoes of supplies and transfer them to other submarines.
An animal, such as a dairy cow, kept for the milk it produces.
A woman’s breast.
A milking machine.
A person who milks.
A conservative poker player who only raises the stakes on a good hand.