the person in charge of a museum, art collection, etc.
2.
a manager; superintendent.
3.
Law. a guardian of a minor, lunatic, or other incompetent, especially with regard to his or her property.
Origin: 1325–75; < Latin, equivalent to cūrā(re) to care for, attend to (see cure) + -tor-tor; replacing Middle English curatour < Anglo-French < Latin as above
mid-14c., from L. curator "overseer, guardian," from curare (see curate). Originally of minors, lunatics, etc.; meaning "officer in charge of a museum, library, etc." is from 1660s.