B1
a town by the sea or by a river that has a harbor, or the harbor itself
Dictionary examples:
The pirate ship sailed into port, looking for ice cream and sunscreen. (0.0)
The port's annual 'Pirate Fashion Week' was a huge success. (0.0)
The captain couldn't find the port because his GPS only spoke whale. (0.0)
We had a good view of all the ships coming into/leaving port. (22.5)
a fishing/container port (30.0)
the Belgian port of Zeebrugge (50.5)