Possible Definitions:
1. Directory (a.) Containing directions; enjoining; instructing; directorial.
2. Directory (n.) A collection or body of directions, rules, or ordinances; esp., a book of directions for the conduct of worship; as, the Directory used by the nonconformists instead of the Prayer Book.
3. Directory (n.) A book containing the names and residences of the inhabitants of any place, or of classes of them; an address book; as, a business directory.
4. Directory (n.) A body of directors; board of management; especially, a committee which held executive power in France under the first republic.
5. Directory (n.) Direction; guide.