waterline

The ship's waterline indicates how much weight it can carry.

She painted the waterline of the boat to prevent rust.

The waterline on the glass shows how much water you've drunk.

The waterline of the river rose after heavy rainfall.

The waterline of the pool needs to be maintained regularly.

The artist painted the waterline of the ocean beautifully in the sunset painting.

The waterline of the lake was clearly visible from the shore.

The waterline of the bathtub was marked with a black line.

The waterline of the city was severely affected by the flood.

The waterline of the dam indicated the maximum water level.