0 a way of walking with one person behind another: --
The schoolchildren were told to walk in single file.
They are being put on a lower pedestal, but not in single file, as was suggested by some people.
It is made clear what it is, although not very clear, by saying that it is "single file in each direction".
Rule 132 states badly that cyclists should not ride more than two abreast and should ride in single file on busy or narrow roads.
If those people marched in single file past a given point it would take them 10 days and 10 nights to pass.
Their own draghunting took place in the forests over very small made-up jumps going in single file by seniority.
Perhaps it would be more dignified if they were marching tightly closed up together in single file.
No other firm was asked to open a single file.
They are all in single file—a mediaeval practice.
