The left side of a ship or plane.
The left side is the port side.
...Is "aport": On a ship, while facing forward, the left side of the ship is called "port" and the right side of the ship is called "starboard".
It is called a "ship", a ship has both left and right sides.
If you actually mean, what is the left hand side of the ship called... It is the port side. It has mostly the same things as the right side of the ship (called the starboard).
If you actually mean, what is the left hand side of the ship called... It is the port side. It has mostly the same things as the right side of the ship (called the starboard).
port
The left side on every ship is the port side.
Port side
Aport.
the left side
port