1.
If a student is sent down from their university or college, they are made to leave because they have behaved very badly. (BRIT; in AM, use be expelled )
She wondered if he had been sent down for gambling.
PHRASAL VERB: usu passive, be V-ed P
2.
If someone who is on trial is sent down, they are found guilty and sent to prison. (BRIT; in AM, use send up )
The two rapists were sent down for life in 1983.
PHRASAL VERB: usu passive, be V-ed P