Often, lineaments.a feature or detail of a face, body, or figure, considered with respect to its outline or contour: His fine lineaments made him the very image of his father.
2.
Usually, lineaments.distinguishing features; distinctive characteristics: the lineaments of sincere repentance.
3.
Geology. a linear topographic feature of regional extent that is believed to reflect underlying crustal structure.
Origin: 1400–50; late Middle English < Latin līneāmentum a stroke, plural, features, equivalent to līneā(re) to draw a line (derivative of līnea;see line1) + -mentum-ment