subdirectory
From Longman Dictionary of Contemporary EnglishRelated topics: Computerssubdirectorysub‧di‧rect‧o‧ry /ˈsʌbdaɪrektəri, -də-/ noun (plural subdirectories) [countable] an area in a computer where files are stored inside another directory, in order to keep the files organizedExamples from the Corpussubdirectory• Following the instructions in the WordPerfect manual, you created a subdirectory to contain the WordPerfect program.• This runs the batch file which will put you in the correct subdirectory and run the program.• It doesn't really matter, as long as you end up with copies other than in the subdirectory which is about to be burned.