| 1. nonsense! no way!. any of several varieties of edible plant from the genus Rheum (used as a food and medication); argument, squabble (Slang). rhubarbrhubarb , n. [f. rhubarbe, of. rubarbe, rheubarbe, reubarbare, reobarbe, ll. rheubarbarum for rheum barbarum, gr. (and ) rhubarb, from the river rha (the volga) on whose banks it grew. originally, therefore, it was the barbarian plant from the rha. cf. barbarous, rhaponticine.] |