The passing goods from one ocean vessel to another. Bloomberg Financial Dictionary
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transshipment UK US (also trans-shipment) /trænsˈʃɪpmənt/ noun [C or U] TRANSPORT
► the activity of moving goods from one ship to another: »
The zone occupies a strategic transshipment point for cargo between Japan and China.
»trans-shipment of goods/containers
Financial and business terms. 2012.