barricade
Concise Oxford English Dictionary © 2008 Oxford University Press:
barricade /ˌbarɪˈkeɪd/
▶noun an improvised barrier erected to obstruct the movement of opposing forces. ▶verb block or defend with a barricade.
– phrases
man (or go to) the barricades strongly defend something.
man (or go to) the barricades strongly defend something.
– origin C16: from Fr., from barrique ‘cask’, from Sp. barrica; rel. to barrel (barrels often being used to build barricades).
'barricade' also found in these Oxford entries:

