Duces tecum

[Sarah]

A judicial process commanding a person to appear in court andbring with him some piece of evidence or other thing to be producedto the court.

[Becky]

legal term, from the phrase [subpoena] [duces tecum], to bring with you under [penalty] of punishment
also known to law students as taking a large crap
pronounced dooooosesssss-teeeeee-cuh-m