Origin of coronerME, officer of the crown from Anglo-French corouner from coroune, corone, a crown from Classical Latin corona, crown
Origin of coronerMiddle English officer of the crown from Anglo-Norman corouner from coroune crown from Latin corōna ; see crown .
From Anglo-Norman curuner, from Medieval Latin custos placitorum coronae (“guardian of the crown's pleas”). The function was originally to protect royal properties.
coroner - Legal Definition
coroner - Medical Definition