a formation that allows additional space between the ranks of a guard or inspected unit to allow the inspecting officer to pass
open order in American English
noun
Military
a troop formation for drill or basic combat training, the intervals between the individuals being greater than those in close order
Also called: extended order
Word origin
[1615–25]This word is first recorded in the period 1615–25. Other words that entered Englishat around the same time include: deposit, discount, evolution, facet, synchronize
Examples of 'open order' in a sentence
open order
The exchange had then begun cancelling all open orders.