line of operations

English

Noun

line of operations (plural lines of operations)

1. (military) That portion of a theater of war which an army passes over in attaining its object.
   • 1846, Henry Halleck, Elements of Military Art and Science:

     As a general rule, a line of operations should- be directed upon the centre, or one of the extremities of the enemy's line of defence; unless our forces be infinitely superior in number,

References

“line”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.