Definition of robusta
1
: a hardy shrub or tree (Coffea canephora) that is indigenous to central Africa but has been introduced elsewhere (as in Java) and yields seeds that form a usually lower quality coffee of commerce than that of arabica
2
: the seeds of robusta especially roasted and often ground
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Merriam-Webster unabridged
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Time Traveler for robusta
The first known use of robusta was in 1909
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