Lineament (noun)

A distinctive feature or characteristic of a person's face, especially as expressed in their profile or outline.

Origin:

Late 16th century (in the sense 'outline, contour'): from latin lineamentum, from lineare 'to draw a line', from linea 'line'. the current sense dates from the mid 17th century.

Examples:

1. The portrait captured the subject's lineaments with remarkable accuracy, highlighting their sharp cheekbones and strong jaw.
2. The lineaments of the mountain range were etched into the sky, creating a rugged and imposing silhouette.
3. The archaeologist studied the lineaments of the ancient ruins, searching for clues to their purpose and history.
4. The scientist compared the lineaments of the fossilized skull to other specimens in their collection, hoping to identify the species to which it belonged.
5. The lineaments of the landscape were constantly changing, as sunlight and shadows shifted across the terrain.