1.nounFamilies that have been wealthy for generations or members of such families.
2.nounThe monetary system used in the United Kingdom and Ireland before decimalisation in 1971 and consisting of pounds, shillings, pence and farthings.
3.nounThe imperial system of measurement, as opposed to the metric system.
"These scales say I weigh 72 kilograms; what's that in old money?"