a charge based on weight measured in poundsa fee charged for the recovery of impounded animalsweight expressed in poundsplacing private property in the custody of an officer of the law
同义词：impoundmentimpoundinginternment
英汉双解大词典
poundage/ˈpaʊndɪdʒ/
1.
N（名词）
a tax, charge, or other payment of so much per pound of weight (按照每磅重量缴纳的)税费