This is the 10236th most frequent Russian word.
блокада
Blockade: the isolation or sealing off of a place to prevent goods or people from entering or leaving.
This usage signifies a military blockade restricting access to a location.
Во время войны город находился под блокадой.
During the war, the city was under a blockade.
Here, 'блокада' refers to a medical procedure designed to block nerve signals to manage pain.
Блокада нервного окончания помогла устранить боль.
The nerve blockade helped alleviate the pain.
In this sentence, 'блокада' describes an obstruction or hindrance in political activities or discussions.