1. A fortification, made in haste, of trees, land, palisades, wagons, or anything that will
obstruct the progress or onslaught
of an enemy. It is generally an obstruction formed
in streets to block
an enemy's access.
2. Any bar, obstruction, or means of defense. "Such a barricade
as would greatly annoy, or absolutely stop, the currents of the atmosphere." (Derham)
Origin: F. Barricade, fr. Sp. Barricada, orig. A barring up with casks; fr. Barrica cask, perh. Fr. LL. Barra bar. See Bar, and cf. Barrel.
Source: Websters Vocabulary