from the GNU version of the Collaborative International Dictionary of English
- n. An indented or zigzaged line of intrenchment.
from The Century Dictionary and Cyclopedia
- n. In field-fortification, the inside line of the parapet, so traced as to resemble the teeth of a saw, in order to afford the advantage of bringing a heavier fire to bear upon the defile than if only a simple face were opposed to it.
Sorry, no etymologies found.