10. The exterior limit of a figure, plat, or territory; boundary;
contour; outline.
Eden stretched her line From Auran eastward to the royal towers Of
great Seleucia.
Milton.
11. A threadlike crease marking the face or the hand; hence,
characteristic mark.
Though on his brow were graven lines austere.
Byron.
He tipples palmistry, and dines On all her fortune-telling lines.
Cleveland.