lineament

A distinctive shape, contour, or line, especially of the face.

A definitive or characteristic feature.

A feature or detail of a body or figure considered as to its outlines or contour; linear formation of a part, as in the human face; hence, a particular physical feature or characteristic; sometimes, a distinguishing characteristic or quality in general: used chiefly in the plural.

One of the outlines, exterior features, or distinctive marks, of a body or figure, particularly of the face; feature; form; mark; — usually in the plural.

Any distinctive shape or line etc.

​A distinctive feature that characterizes something, especially the parts of the face of an individual.

a characteristic property that defines the apparent individual nature of something

the characteristic parts of a person’s face: eyes and nose and mouth and chin