kohl UK /kəʊl/US /koʊl/noun 1verb 1forms 3 noun1 •A dark powder, usually powdered stibnite (an antimony ore), used as eye makeup, especially in Eastern countries. verb1 •To decorate one's eyes with kohl.A plain, big woman with heavily kohled eyes and pudgy arms. — 2002 formskohled · kohling · kohls