Open English Wordnet
Nouns
(n)roadblock, barricadea barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc. (n)barricadea barrier (usually thrown up hastily) to impede the advance of an enemy“they stormed the barricade” Verbs
(v)barricadeprevent access to by barricading“The street where the President lives is always barricaded”