Blockade
Part of speech: verb
Definition: To create a blockade against.
Part of speech: noun
Definition: The isolation of something, especially a port, in order to prevent commerce and traffic in or out. The ships or other forces used to effect the blockade.
Barricade
Part of speech: noun
Definition: a barrier constructed across a road, especially as a military defencean obstacle, barrier or bulwark
Part of speech: verb
Definition: to close or block a road etc., using a barricadeto keep someone in (or out), using a blockade, especially ships in a port