1911 Encyclopædia Britannica, Volume 8… (1911)
“ Drill is, formally, the preparation of soldiers for their duties in war by the practice or rehearsal of movements in military order and the handling of arms, and, psychologically, the method of producing in the individual soldier habits of self-control and of mechanically precise actions under disturbing conditions, and of rendering the common instinctive will of a body of men, large or small, amenable to the control of, and susceptible to a stimulus imparted by its commander’s will. ”
