'Subpoena duces tecum' definitions:

Definition of 'subpoena duces tecum'

(from WordNet)
noun
A writ issued by a court at the request of one of the parties to a suit; it requires a witness to bring to court or to a deposition any relevant documents under the witness's control

Definition of 'Subpoena duces tecum'

From: GCIDE
  • Subpoena \Sub*poe"na\, n. [NL., fr. L. sub under + poena punishment. See Pain.] (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. [Written also subpena.] [1913 Webster]
  • Subpoena ad testificandum. [NL.] A writ used to procure the attendance of a witness for the purpose of testifying.
  • Subpoena duces tecum. [NL.] A writ which requires a witness to attend and bring certain documents. [1913 Webster]