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ru·bus | \ ˈrü-bəs 
\
\ plural rubus
Definition of rubus
: any of a genus (Rubus) of plants (such as a blackberry or a raspberry) of the rose family with leaves that typically have three to seven leaflets or that are simple and lobed, white or pink flowers, usually prickly stems, and a mass of carpels ripening into an aggregate fruit composed of many drupelets
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Merriam-Webster unabridgedWords at Play
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Time Traveler for rubus
The first known use of rubus was in the 14th century
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