1. : the detention of a ship by the freighter beyond the time allowed for loading, unloading, or sailing.2. : a charge for detaining a ship, freight car, or truck.. : the detention of a ship by the freighter beyond the time allowed for loading, unloading, or sailing.
Gross margin is gross income divided by net sales, expressed as a percentage. It reveals how much a company earns taking into consideration the costs that it incurs for producing its products and/or services.
(Gross margin is the gross profit expressed as a percentage of net sales.) For companies that use Cost of services or Cost of Sales instead of Cost of goods sold, gross profit and gross margin are derived in the same way.