I almost walked right into a thick line of Flyboys.

Now cross out each individually with a thick black line.

The funny pen left a thick blue line across the paper.

Do not continue your answer below the thick black line.

For a staff pilot, there would be a thick black line all around the aircraft.

Her body was painted with thick white lines and circles.

The current park map shows these trails as thick white lines.

The first thick line in the first group was number four.

Most frequently, they are marked with two thick white lines running from one side of the road to the other.

But now, those thick black lines have been stripped away.