oyer and terminer
noun
oy·er and ter·mi·ner ˌȯi-ər-ən(d)-ˈtər-mə-nər 
1
: a commission authorizing a British judge to hear and determine a criminal case at the assizes
2
: a high criminal court in some U.S. states
Word History
Etymology
Middle English, partial translation of Anglo-French oyer et terminer, literally, to hear and determine
First Known Use
15th century, in the meaning defined at sense 1