Meaning of Indian file in English:

Indian file

noun

another term for single file
  • ‘Coming down in Indian file, Kieren couldn't produce her any later today.’
  • ‘Originally, the Italians envisaged frogmen as ‘underwater infantry’ who would walk in Indian file along the bottom of the sea towards their targets.’
  • ‘At training, his team ran three kilometres to warm up before finishing the session with fifteen laps of Indian file, an exercise of sprinting and jogging.’
  • ‘Scouts moving in Indian file should normally face oncoming traffic and walk on the right hand side of the road, but I am aware that there are divergences of opinion on this point.’
  • ‘Classically, the cells tend to infiltrate as individual rows (single or Indian file) and may form concentric arrays (targetoid pattern).’

Origin

Mid 18th century so called because it was believed that North American Indians usually marched in this order.