shagreen
/ʃæˈgriːn/noun
mass noun
1
- sharkskin used as a decorative material or, for its natural rough surface of pointed scales, as an abrasive（用作装饰或砂纸的）鲨革。
2
- a kind of untanned leather with a rough granulated surface（表面粗糙有粒状物的）未鞣皮革。
词源
late 17th cent.: variant of CHAGRIN in the literal sense 'rough skin'.