1 general:: Phrase(s): room and board food to eat and a place to live; the cost of food and lodging. • That college charges too much for room and board. • How much is your room and board?
McGrawhill's American Idioms And Phrasal Verbs
2 general:: Lodging and meals, as in The university's price for room and board has increased by another 10 percent. [Mid-1900s]
American Heritage Idioms