Wordia - The Definition Of Rhubarb
rhubarb
noun, any of several temperate and subtropical plants of the polygonaceous genus Rheum, esp R. rhaponticum (common garden rhubarb), which has long green and red acid-tasting edible leafstalks, usually eaten sweetened and cooked
From Collins
©HarperCollins 2008. Collins English Dictionary definition of rhubarb