a line of persons or things ranged one behind the other
- Along this road the inhabitants slowly moved in Indian file.
- The four of us were walking in Indian file.
- Along this road the inhabitants slowly move in Indian file.
- When Indians travel across the prairies; they go in Indian file.
- The undergrowth was so thick that we had to force our way through in Indian file.
- At high magnification, the characteristic "Indian file" strands of infiltrating lobular carcinoma cells are seen in the fibrous stroma. Pleomorphism is not great.