Bird dog and Wet nurse

Bird dog noun - A gun dog trained to locate or retrieve birds.

Wet nurse and bird dog are semantically related. In some cases you can use "Wet nurse" instead a noun phrase "Bird dog".

Wet nurse noun - A woman hired to suckle a child of someone else.

Bird dog and wet nurse are semantically related. Sometimes you can use "Bird dog" instead a noun phrase "Wet nurse".