Blockage (noun)

1. An obstacle or impediment to the movement or flow of something.
2. A partial or complete closure or blockage of a blood vessel.

Origin:

Mid 16th century (in the sense "obstruction"): from french, from bloquer "to block".

Examples:

1. The traffic was brought to a halt by a blockage on the main road.
2. The blockage in the coronary artery caused angina.
3. The blockage of the pipe caused sewage to back up into the basement.
4. The blockage in the printer prevented the paper from feeding properly.
5. There was a blockage in the flow of information between the two departments.