The demilune (French for "half-moon") protected the fort's entrance. During the Civil War, the demilune wall was about waist high with gun platforms on the flat top.
After the Civil War, while Fort Pulaski was still a military post, Army . . . — — Map (db m134094) HM
Near Fort Pulaski Road, on the right when traveling north.
Surrounded on all sides by the moat, the demilune (literally “half-moon”) protected the vulnerable fort entrance. This triangular area was modified in 1872 by the addition of earthen mounds which housed powder magazines. During the . . . — — Map (db m67779) HM