The definition of a barricade is a barrier that stops the progress of something.(noun)
An example of a barricade is a large brick wall preventing people from entering a fortress.
Barricade means to put up a barrier to shut something in or out.(verb)
An example of barricade is to build a dam to hold back water from flowing.
See barricade in Webster's New World College Dictionary
Origin: Fr < It barricata, pp. of barricare, to fortify (< ? Fr or Sp barrica, barrel, akin to barrel: from use of casks as barriers
See barricade in American Heritage Dictionary 4
Origin: , from barrique, barrel
Origin: , from Old Provençal barrica
Origin: , from Vulgar Latin *barrīca; see embargo.
Learn more about barricade