DIRECTORY

I. adjective Date: 15th century serving to direct, II. noun (plural -ries) Etymology: Middle English directorie guide, from Medieval Latin directorium, from neuter of Late Latin directorius directorial, from Latin dirigere Date: 1543 1. a book or collection of directions, rules, or ordinances, an alphabetical or classified list (as of names and addresses), a body of directors, folder 3b