/ ˌrezɪˈdenʃl; NAmE / adjective [ usually before noun ]
1.
( of an area of a town ) suitable for living in; consisting of houses rather than factories or offices :
a quiet residential area
2.
( of a job, a course, etc. ) requiring a person to live at a particular place; offering living accommodation :
a residential language course
a residential home for the elderly
residential care for children