Baby-sitter and Boob tube

Baby-sitter noun - A person engaged to care for children when the parents are not home.

Boob tube and baby-sitter are semantically related. In some cases you can use "Boob tube" instead a noun phrase "Baby-sitter".

Boob tube noun - An electronic device with a screen and speakers that reproduces images and sound.

Baby-sitter and boob tube are semantically related. You can use "Baby-sitter" instead a noun phrase "Boob tube".