STS
n. C / U C2 Proficiency sts
n. Stands for ship-to-ship. A way of moving people or things from one ship to another while they are both at sea.
n. Abbreviation for ship-to-ship. The transfer of cargo, personnel, or fuel between two seagoing vessels while they are underway or at anchor.
The tankers completed the STS transfer in calm waters.
The coast guard monitored the STS operation to ensure no oil spilled into the protected marine area.
Conducting an STS transfer requires precise coordination between both captains to maintain a constant distance and speed, especially when handling volatile liquefied natural gas.
Usage
Often used as a modifier before another noun, such as 'transfer' or 'operation'.