subpœna

from The Century Dictionary.

• To serve with a writ of subpœna; command the attendance of in court by a legal writ: as, to subpœna a witness.
• noun In law, a writ or process commanding the attendance in a court of justice of the person on whom it is served, under a penalty.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Law) A writ commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty; the process by which a defendant in equity is commanded to appear and answer the plaintiff's bill.
• noun A writ used to procure the attendance of a witness for the purpose of testifying.
• noun A writ which requires a witness to attend and bring certain documents.
• transitive verb (Law) To serve with a writ of subpœna; to command attendance in court by a legal writ, under a penalty in case of disobedience.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Alternative spelling of subpoena.
• verb Alternative spelling of subpoena.