What is Act Of Curatory?

Legal Definition
In, Scotch law. The act extracted by the clerk, upon any one's acceptance of being curator. Forb. Inst. pt. 1, hi 1, c. 2, tit. 2. 2 Karnes, Eq. 291. Corresponding with the order for the appointment of a guardian, in English and American practice.
-- Black's Law Dictionary