The port side is the left-hand side of a boat, looking forward. Pass on the port side.
It is named because the steering oar was on the other side, so a ship docked with this one to the port. The port side carries a red light at night, and port and left both have four letters.
1nounport sideThe left-hand side of a boat, looking forward.
“The damage was all along the port side.”
port side is a side.
Practised in Sea & Sailing