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barricade (v.)

"to obstruct with a barricade," 1590s, from barricade (n.). Related: Barricaded; barricading.

barricade (n.)

"hastily made fortification for defense or to obstruct the progress of an enemy," 1640s, from French barricade, from Spanish barricada, literally "made of barrels," from barrica "barrel," from barril (see barrel (n.)). Earlier was barricado (1580s) with false Spanish ending (see -ado). Revolutionary associations began during 1588 Huguenot riots in Paris, when large barrels filled with earth and stones were set up in the streets. Related: Barricades.

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Definitions of barricade from WordNet
1
barricade (v.)
prevent access to by barricading;
The street where the President lives is always barricaded
barricade (v.)
block off with barricades;
Synonyms: barricado
barricade (v.)
render unsuitable for passage;
barricade the streets
Synonyms: block / blockade / stop / block off / block up / bar
2
barricade (n.)
a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc.;
Synonyms: roadblock
barricade (n.)
a barrier (usually thrown up hastily) to impede the advance of an enemy;
they stormed the barricade
From wordnet.princeton.edu