You searched for: “demibastion
demibastion (s) (noun), demibastions (pl)
A two-sided fortification, or half a bastion, that consists of a wall facing forward and a wall facing away from the middle: Ademibastion is designed to permit the firing of weapons to the flanks along the sides of the barriers.
This entry is located in the following unit: demi- (page 1)