1. A written legal order summoning a witness or requiring evidence to be submitted to a court or similar deliberative law body: "A subpoena was sent out to the man requiring him to testify as a witness to the criminal act that he saw when he was at the bank during the robbery."
2. A written order which commands a person to appear in court to give evidence or testimony: "Two people received subpoenas to submit her bank records."

1. To order someone to appear in court to give evidence in a legal case: "She was subpoenaed to give her testimony during the trial."
2. To issue a legal order to someone or for something: "The prosecutor subpoenaed the defendant's financial records."