- Erythroxylon coca, coca - a South American shrub whose leaves are chewed by natives of the Andes; a source of cocaine
 --1 is a kind of shrub, bush
 --1 is a member ofErythroxylon, genus Erythroxylon, Erythroxylum, genus Erythroxylum 
- Coca, Imogene Coca - United States comedienne who starred in early television shows with Sid Caesar (1908-2001)
 --2 is a kind of comedienne
 
- coca - dried leaves of the coca plant (and related plants that also contain cocaine); chewed by Andean people for their simulating effect
 --3 is a kind of plant product
 --3 has substances: cocaine, cocain