1. (n.) A strong, long stake, one end of which is set firmly in the ground, and the other is sharpened; also, a fence formed of such stakes set in the ground as a means of defense.

2. (n.) Any fence made of pales or sharp stakes.

3. (v. t.) To surround, enclose, or fortify, with palisades.

abatis advanced work arm armor armor-plate balistraria bank banquette bar barbed-wire entanglement barbican barricade barrier bartizan bastion battle battlement blockade bluff breastwork bulkhead in bulwark casemate castellate cheval-de-frise circumvallation cliff contravallation counterscarp crag crenellate curtain demibastion dig in dike drawbridge earthwork embattle enclosure entanglement entrench escarp escarpment face fence fieldwork fortalice fortification fortify garrison glacis hedge hem leg loophole lunette machicolation man man the garrison mantelet merlon mine mound outwork pale palisades parados parapet peg picket pile portcullis postern gate precipice rail rampart ravelin redan redoubt sally port scar scarp sconce shank spile stake steep stockade tenaille vallation vallum wall work