From Longman Dictionary of Contemporary Englishsend down phrasal verb1 send something ↔ downREDUCE to make something lose value The company’s bad figures sent its share price down.2 send somebody down British English informalSCJ to send someone to prisonsend somebody down for He was sent down for possession of cocaine.3 be sent down British English old-fashionedSEC to be told to leave a university because of bad behaviour → send→ See Verb table
Examples from the Corpus
be sent down• Afterwards in the pub some one told me he would probably be sent down.• I was using regular for about two years after that until I was sent down.• He was sent down from Eton in 1863 for a few months for having made a forbidden visit to a Jesuit house.• There seems every possibility that Trev Proby will be sent down in the near future.• He was sent down South to live with his grandparents when he was in second grade.• Much of the iron was sent down the valleys for export through Cardiff and Newport.• Police divers were sent down to check the vessel's hull for possible sabotage. 