영국의 민사 항소 법원장이자 기록 보관소장인 마스터 오브 더 롤즈의 약어.
Master of the Rolls; the presiding judge of the Civil Division of the Court of Appeal in England and Wales and the head of civil justice.
예문:
"The MR delivered the leading judgment in the landmark privacy case."
"Historically, the MR was the keeper of the English chancery records."