|Origin:||BLOCK1 + French -ade 'action of'|
1PM [usually singular]
the surrounding of an area by soldiers or ships to stop people or supplies leaving or entering:
a naval blockade
They've imposed an economic blockade on the country.
an agreement to lift the blockade (=end it)
something that is used to stop vehicles or people entering or leaving a place:
Angry farmers used tractors as blockades on the streets.