From Longman Dictionary of Contemporary Englishrhubarbrhu‧barb /ˈruːbɑːb $ -ɑːrb/ noun [uncountable] 1 HBPa plant with broad leaves. It has thick red stems that can be cooked and eaten.2 spokenTALK TO somebody a word repeated by actors to make a sound like many people talking
Examples from the Corpus
rhubarb• Like rhubarb, asparagus and many other food plants, they thrive in enriched soil in a sunny spot.• After many years of declining popularity, the lowly rhubarb is making a comeback in both gourmet and gardening circles.• Marinate rhubarb in a mixture of port and raspberry vinegar for at least 30 minutes.• Begin picking rhubarb forced under bins or boxes as soon as the sticks are large enough.Origin rhubarb (1300-1400) Old French reubarbe, from Medieval Latin reubarbarum, from rha “rhubarb” (from Greek) + barbarus “foreign” 