oyer and terminer
Concise Oxford English Dictionary © 2008 Oxford University Press:
oyer and terminer /ˌɔɪə(r) ən(d) ˈtəːmɪnə/
▶noun historical a commission issued to judges on a circuit to hold courts.
– origin ME: from Anglo-Norman Fr. oyer et terminer ‘hear and determine’.
'oyer and terminer' also found in these Oxford entries:

