subpoena du·ces te·cum /-'dü-səs-'tē-kəm, -'dyü-, -sēz-; -'dü-kes-'tā-ˌku̇m/ n [New Latin, under penalty you shall bring with you]: a subpoena that commands the production of specified evidence in a person's possession
◇ Unlike a search warrant, a subpoena duces tecum can be issued without a showing of probable cause.
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.