noun
a hastily constructed barrier for protection or for obstructing passage.
The rebels shot at the royal forces from behind their barricades.
transitive verb
to obstruct or block with or as if with a barricade.
The police barricaded the cross streets so that cars couldn’t disrupt the parade.
Frightened by the noise outside, the family barricaded the door.
to defend or enclose by means of a barricade.
Anticipating protest, the police barricaded the courthouse.