to keep someone in (or out), using a blockade, especially ships in a port
to close or block a road etc., using a barricade
A barrier constructed across a road, especially as a military defence
An obstacle, barrier, or bulwark.
A place of confrontation.
To confine or hold (foreign military personnel who stray into the state's territory) within prescribed limits during wartime.
To work as an intern. Usually with little or no pay or other legal prerogatives of employment, for the purpose of furthering a program of education.
To imprison somebody, usually without trial.
To internalize.
A student or recent graduate who works in order to gain experience in their chosen field.
A medical student or recent graduate working in a hospital as a final part of medical training.
A person who is interned, forcibly or voluntarily.