/ˈrɪt əv səˈpiːnəʊʊbə/ – Phrase
Definition: xch subpoena.
A more thorough explanation: A writ of subpoena is a legal document issued by a court that commands an individual to appear in court to give testimony or to produce documents or other evidence relevant to a legal proceeding.
Example: The court issued a writ of subpoena requiring the witness to appear and testify at the trial.