I merged onto the highway using the acceleration line.

He is known for his hard-line stance on immigration.

The Plimsoll line is a marking on a ship's hull that indicates the maximum safe loading level.

The old-line company continues to follow tradition.

I called my friend on the party line.

The workers formed a picket line outside the factory.

The trunk line connects major cities across the country.

I hired a van line to transport my belongings for a long-distance move.

Please stand behind the warning line on the train platform.

He was completely out of line with his rude comments.