en coup de sabre /ɒn ˌkuː də ˈseɪ.bə(ɹ)/adjective 1noun 1 adjective1 •Of a subtype of localised scleroderma, having a linear, atrophic depression on the frontoparietal scalp.The patient is an unusual example of bilateral scleroderma en coup de sabre with distortion of both upper eyelids, and ocular complications. — 1962 noun1 •A subtype of localised scleroderma that presents with a linear, atrophic depression on the frontoparietal scalp.A linear, indurated depression running vertically just to one side of the midline is characteristic of en coup de sabre, a variant of morphea. — 1994
