: a commission authorizing an English judge (as a High Court judge on circuit) to hear and determine at the assizes all indicted cases of treason, felony, or misdemeanor committed in the county — called also writ of oyer and terminer
COMMISSION OF OYER AND TERMINER
Meaning of COMMISSION OF OYER AND TERMINER in English
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012