gla·cis /glæˈsi, ˈglæsi/ 緩慢傾斜,斜堤,緩衝地區
Gla·cis n. A gentle slope, or a smooth, gently sloping bank; especially Fort., that slope of earth which inclines from the covered way toward the exterior ground or country (see Illust. of Ravelin). ◄ ►