形容词

1. 居住的;住宅区的;居民区的
A residential area contains houses rather than offices or factories.

2. （机构）寄宿制的，需住宿的
A residential institution is one where people live while they are studying there or being cared for there.

1. used or designed for residence or limited to residences

e.g. a residential hotel
a residential quarter
a residential college
residential zoning

2. of or relating to or connected with residence

e.g. a residential requirement for the doctorate