cus·to·di·al 
(kŭ-stōdē-əl)
(kŭ-stōdē-əl)adj.
1. Of or relating to the work of guarding or maintaining: the custodial duties of a security guard.
2.
a. Having custody, especially of a child: "children whose custodial parent has remarried" (American Demographics).
b. Of or relating to child custody: custodial households.
3. Marked by care and supervision rather than efforts to cure: custodial treatment of terminal patients.