di ‧ rec ‧ to ‧ ry S3 /daɪˈrekt ə ri, də-/ BrE AmE noun ( plural directories ) [countable]
1 . a book or list of names, facts etc, usually arranged in alphabetical order:
I couldn’t find your number in the telephone directory.
a new business directory
2 . a place in a computer where ↑ file s or programs are organized