noun.
The shutting up of a place, particularly a port, harbor, or line of coast, by hostile ships or troops, so as to stop all ingress or egress, and to hinder the entrance of supplies of provisions, ammunition, or reinforcements.
noun.
Hence A hindrance to progress or action caused by obstructions of any kind.
To subject to a blockade; prevent ingress or egress from by warlike means.
Hence To shut in by obstacles of any kind; block; obstruct.