- directory [də rek′tə rē; ] also [ dīrek′tə rē]adj.[LL directorius]directing, guiding, or advisingn.pl. directories [ML directorium < LL directorius]1. a book of directions, as for church service2. a book listing the names, addresses, etc. of a specific group of persons [a telephone directory]3. Comput.a) a grouping of files that are stored on a disk, diskette, etc.b) a listing of such files4. a directorate5. [D-] DIRECTOIRE
English World dictionary. V. Neufeldt. 2014.