subpoena ad testificandum is a noun meaning "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". It carries one recorded sense.
Definitions, synonyms and semantic relations for subpoena ad testificandum come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.