to close or block a road etc., using a barricade
to keep someone in (or out), using a blockade, especially ships in a port
A barrier constructed across a road, especially as a military defence
An obstacle, barrier, or bulwark.
A place of confrontation.
To restrict (an activity etc.)
To supply with a ration; to limit (someone) to a specific allowance of something.
To portion out (especially during a shortage of supply); to limit access to.
A portion of some limited resource allocated to a person or group.