Definition of "supply line" []

• The chain of transportation mechanisms supplying food and materiel to an army in battle, or other field operation. (noun)

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• "This village was chosen because it was approximately equidistant from the major sectors and was on the railroad that would be the army's principal supply line on any retreat to join the forces in North Carolina.6"
• "After reinforcing that command, the Federals might undertake an advance against the Petersburg and Weldon Railroad, which was for the Army of Northern Virginia the sole rail supply line east of the Blue Ridge."
• "General George H. Thomas, who succeeded Rosecrans, proceeded to secure his supply line by placing a strong force downstream on the Tennessee at Brown's Ferry."