A stemson is a structure at the front of a ship that helps it move through the water and stay strong.
A stemson is an important part of a ship that helps it stay safe and move well in the water.
Examples:
The stemson helps the ship move through the water.
The big ship has a strong stemson.
The stemson is at the front of the ship.
The stemson is like the ship's nose.
Without a stemson, the ship might not move well in the water.
The stemson keeps the ship safe in the water.