roadblock, barricade -- (a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.)
barricade -- (a barrier (usually thrown up hastily) to impede the advance of an enemy; "they stormed the barricade")
Overview of verb barricade
The verb barricade has 3 senses
barricade, block, blockade, stop, block off, block up, bar -- (render unsuitable for passage; "block the way"; "barricade the streets"; "stop the busy road")
barricade -- (prevent access to by barricading; "The street where the President lives is always barricaded")
barricade, barricado -- (block off with barricades)
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