noun 1.an untanned leather with a granular surface, prepared from the hide of a horse, shark, seal, etc.
2.the rough skin of certain sharks, used as an abrasive.
adjective 3.Also, sha·greened. resembling, covered with, or made of shagreen.
Origin:
1605–15; < French chagrin, variant of sagrin < Turkish sağrι rump, crupper