poundagePronunciation: /ˈpaʊndɪdʒ/Definition of poundage noun 1British a payment of a particular amount per pound sterling of the sum involved in a transaction. a percentage of the total earnings of a business, paid as wages. 2 [mass noun] weight, especially when regarded as excessive:reduce excess poundage without risking overexertionpoundage in other Oxford dictionaries Definition of poundage in the US English dictionary