lineament
/ˈlɪnɪəmənt/noun
1
- （一般作 lineaments）poetic/literary a distinctive feature or characteristic, especially of the face〈诗/文〉（尤指面部的）特征。
2
- Geology a linear feature on the earth's surface, such as a fault【地质】线性构造, 线状行迹（如断层等）。
词源
late Middle English: from Latin lineamentum, from lineare 'make straight'， from linea 'a line' （see LINE1）.