Definition of "barricades"

Groups of citizens (...) were scattered round; and if they were to be as violent in action as they were in gesture and discourse, the future might well be matter of apprehension. But Bournonville, who had witnessed the day of the barricades in the first La Fronde, looked on with great composure.

1834, L[etitia] E[lizabeth] L[andon], chapter VII, in Francesca Carrara. […], volume I, London: Richard Bentley, […], (successor to Henry Colburn), page 82