Definition of coca
1
: any of several South American shrubs (genus Erythroxylon, family Erythroxylaceae)
especially
: one (E. coca) that is the primary source of cocaine
2
: dried leaves of a coca (especially Erythroxylon coca) containing alkaloids including cocaine
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Merriam-Webster unabridged
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Time Traveler for coca
The first known use of coca was in 1670
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