In fortification: an indented parapet, formed by a series of rising members called cops or merlons, separated by openings called crenelles or embrasures, the soldier sheltering himself behind the merlon while he fires through the embrasure or through a loophole in the battlement.
The towering roof of heaven.
Any high wall for defense.
A minor, subsidiary fortification built beyond the main limits of fortification.
Agricultural work done outdoors in the fields.
To work out to a finish; to complete.
To work faster or harder than.