\Pal`i*sade"\, 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.

\Pal`i*sade"\, n. [F. palissade, cf. Sp. palizada, It.
palizzata, palizzo, LL. palissata; all fr. L. palus a stake,
pale. See {Pale} a stake.]
1. (Fort.) 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. Any fence made of pales or sharp stakes.
{Palisade cells} (Bot.), vertically elongated parenchyma
   cells, such as are seen beneath the epidermis of the upper
   surface of many leaves.
{Palisade worm} (Zo["o]l.), a nematoid worm ({Strongylus
   armatus}), parasitic in the blood vessels of the horse, in
   which it produces aneurisms, often fatal.

\Pal`i*sade"\, v. t. [imp. & p. p. {Palisaded}; p. pr.
& vb. n. {Palisading}.] [Cf. F. palissader.]
To surround, inclose, or fortify, with palisades.