What is Adscriptus?

Legal Definition
In the civil law. Added, annexed or bound by or in writing; enrolled, registered; united, joined, annexed, bound to, generally. Servus colonoe adscripts, a slave annexed to an estate as a cultivator. Dig. 19, 2, 54, 2. Fundus adscripts, an estate bound to or burdened with a duty. Cod. 11, 2, 3.
-- Black's Law Dictionary