under one roof

:  in or into a position below or beneath something

:  below or short of some quantity, level, or limit

:  in or into a condition of subjection, subordination, or unconsciousness

:  below or beneath so as to be overhung, surmounted, covered, protected, or concealed by

:  subject to the authority, control, guidance, or instruction of

:  receiving or undergoing the action or effect of

:  lower in rank or authority :  subordinate

:  the cover of a building

:  material used for a roof :  roofing

:  the roof of a dwelling conventionally designating the home itself

:  to cover with or as if with a roof

:  to provide with a particular kind of roof or roofing

:  to constitute a roof over