ad. In a departmental manner; affecting departments
The Century Dictionary and Cyclopedia
By or with reference to departments; as regards departments.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. dependent on a department
Word Usage
"There were 20 primary dealers in India as of March 31, of which 12 are banks carrying on the business departmentally and the remaining eight are non-bank entities, known as stand alone primary dealers."