roof over (one's) head
A home in which to live or rest; basic shelter. Every night, you should be grateful that you have a roof over your head and food on the table.
a roof over your head
COMMON I you have a roof over your head, you have somewhere to live. In exchange for a roof over their heads and food, they work for me without wages for a year. I am just thankful that we have a roof over our heads.
a roof over your head
a place in which you can stay and find shelter.a ˈroof over your head
(informal) a place to live; a house: Everyone needs a roof over their heads but thousands remain homeless.