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.n. Any fence made of pales or sharp stakes.n. A line of bold cliffs, esp. one showing basaltic columns; -- usually in pl., and orig. used as the name of the cliffs on the west bank of the lower Hudson.v. To surround, inclose, or fortify, with palisades.