1. 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.
(Science: botany) Palisade cells, a nematoid worm (strongylus armatus), parasitic in the blood vessels of the horse, in which it produces aneurisms, often fatal.
Origin: F. Palissade, cf. Sp. Palizada, It. Palizzata, palizzo, LL. Palissata; all fr. L. Palus a stake, pale. See Pale a stake.