What is the meaning of Send_down?

To cause something or someone to pass from a higher to a lower place.

To bowl.

To commit (someone) to a prison term.

To demote a player within the levels of professional baseball.

To suspend or expel (an undergraduate) from university.

To send a person to the countryside to become a peasant-farmer for re-education; to get in touch with the fundamental values of peasant-based communism (as opposed to urban worker-class proletariat-based communism).

Source: wiktionary.org