subpoena ad testificandum

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

• noun law A writ issued by court authority to compel the attendance of a witness at a judicial proceeding; disobedience may be punishable as a contempt of court

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a writ issued by court authority to compel the attendance of a witness at a judicial proceeding; disobedience may be punishable as a contempt of court