A room within a house or other building that one rents separately from the rest. I heard there's a room for rent in Anna's building.We're putting up our spare room for rent to make a little extra cash on the side.
room for rent
n. a person who acts very stupid. (Also a term of address. This implies that one’s head is so empty of brains that the space could be rented out.) My brother is a room for rent if I ever saw one. What a dope!