0 a group of people who take part in protests wearing black clothes and with their faces covered with scarves, masks, dark glasses, etc., and who are sometimes violent: --
1 belonging or relating to a group of people who take part in protests wearing black clothes and with their faces covered with scarves, masks, dark glasses, etc., and who are sometimes violent: --
The Black Bloc strategy is simple: Show up at demonstrations and attack the prominent symbols of capitalism.
A black bloc is made up largely of anarchists or autonomists.
Protesters were converging and the black bloc would soon follow.
Clothing was discovered that was throught to belong to the Black Bloc.