single filesingle file
- a single line of people or things placed or moving one directly behind another
- in such a line: to walk single file
A line of people, animals, or things standing or moving one behind the other. Also called Indian file .
- single file
(usually uncountable, plural single files)
- (of a line or queue) One person wide.
- They walked in a single file line.
- In a line or queue one person wide.
- They walked single file.