poundage
Poundage refers to the fee or charge paid for something, typically expressed as a certain amount per pound or other unit of weight. This term is commonly encountered in various commercial and logistical contexts. For instance, in shipping and freight, poundage might be used to calculate the cost of transporting goods based on their weight. Warehousing services may also utilize poundage fees for storage, where the price is determined by how much merchandise is held.
Historically, poundage was also a form of taxation. In England, it was a custom levied on each