1) Port 
Outport is the name given in the United Kingdom for a subsidiary port built in deeper water than the original port. The Port of Tilbury from the Port of London is a good example. Avonmouth and Bristol and, on a smaller and now historical scale, Fordwich and Canterbury are others. ...
• (n.) A harbor or port at some distance from the chief town or seat of trade.
Out'port` noun A harbor or port at some distance from the chief town or seat of trade. Macaulay. 
[n] - (British) a subsidiary port built in deeper water than the original port (but usually farther from the center of trade)
noun a subsidiary port built in deeper water than the original port (but usually farther from the center of trade)
a secondary seaport close to a larger one but beyond its corporate limits or jurisdiction. · an isolated fishing village, esp. on the Newfoundland coast.