( n. )
A medicine, the ingredients of which are kept secret for the purpose of restricting the profits of sale to the inventor or proprietor; a quack medicine.
( n. )
A medicine, the ingredients of which are kept secret for the purpose of restricting the profits of sale to the inventor or proprietor; a quack medicine.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012