The term 'Drill Order' refers to a command given by a military or police officer to a group of soldiers or officers. The order is usually given in the form of a verbal command, and it instructs the group to perform a specific drill or exercise. The crossword solution for this term is 'HALT', which is an abbreviation for 'HALT, march, left turn'. This command is used to stop the group from marching and to turn them to the left.