cocaine UK /kə(ʊ)ˈkeɪn/US /koʊˈkeɪn/noun 3verb 1forms 3 noun3 •a strong drug made from a plant, often taken illegally for energy, and used by doctors to stop pain •The powder form of this drug, specifically.All I get, uh, is this cup of cold coffee and cocaine / And your ugly face, look out — 1983 •Any chemical derivative of this drug. verb1 •Synonym of cocainize.[…] cocaining the eye, then introducing a speculum, or having an assistant hold the lids open with retractors. — 1895 formscocained · cocaining · cocaines