1 a any of various plants of the genus Rheum, esp. R. rhaponticum, producing long fleshy dark-red leaf-stalks used cooked as food. b the leaf-stalks of this.
2 a a root of a Chinese and Tibetan plant of the genus Rheum. b a purgative made from this.
3 a colloq. a murmurous conversation or noise, esp. the repetition of the word 'rhubarb' by crowd actors. b sl. nonsense; worthless stuff.
4 US sl. a heated dispute.
Etymology: ME f. OF r(e)ubarbe, shortening of med.L r(h)eubarbarum, alt. (by assoc. with Gk rheon rhubarb) of rhabarbarum foreign 'rha', ult. f. Gk rha + barbaros foreign
Useful english dictionary. 2012.
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Rhubarb — Rhu barb, 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 Collaborative International Dictionary of English
rhubarb — late 14c., from O.Fr. rubarbe, from M.L. rheubarbarum, from Gk. rha barbaron foreign rhubarb, from rha rhubarb (associated with Rha, ancient Scythian name of the River Volga) + barbaron, neut. of barbaros foreign. Grown in China and Tibet, it was … Etymology dictionary
rhubarb — [ro͞o′bärb΄] n. [ME rubarbe < OFr rheubarbe < ML rheubarbarum, altered < LL rha barbarum < Gr rhēon barbaron, foreign rhubarb < rhēon, rhubarb (< Pers rēwend) + barbaron, foreign, BARBAROUS] 1. any of a genus (Rheum) of… … English World dictionary
rhubarb — ► NOUN 1) the thick leaf stalks of a plant of the dock family, which are reddish or green and eaten as a fruit after cooking. 2) Brit. informal noise made by a group of actors to give the impression of indistinct background conversation. 3)… … English terms dictionary
Rhubarb — For other uses, see Rhubarb (disambiguation). Rhubarb Scientific classification Kingdom: Plantae … Wikipedia
rhubarb — /rooh bahrb/, n. 1. any of several plants belonging to the genus Rheum, of the buckwheat family, as R. officinale, having a medicinal rhizome, and R. rhabarbarum, having edible leafstalks. 2. the rhizome of any medicinal species of this plant,… … Universalium
rhubarb — noun /ˈɹʊuˌbɑː(ɹ)b/ a) Any plant of the genus Rheum, especially R. rharbarbarum, having large leaves and long green or reddish acidic leafstalks, that are edible, in particular when cooked (although the leaves are mildly poisonous). Rhubarb is of … Wiktionary
rhubarb —  The Greeks had two words for ‘rhubarb’: rhéon, which was borrowed from Persian rēwend, and which evolved into Latin rheum, now the plant’s scientific name; and rha, which is said to have come from Rha, an ancient name of the river Volga, in… … The Hutchinson dictionary of word origins
rhubarb —  The Greeks had two words for ‘rhubarb’: rhéon, which was borrowed from Persian rēwend, and which evolved into Latin rheum, now the plant’s scientific name; and rha, which is said to have come from Rha, an ancient name of the river Volga, in… … Word origins
rhubarb — n. (slang) argument 1) to get into a rhubarb 2) a rhubarb about * * * [ ruːbɑːb] (slang) [ argument ] to get into a rhubarb a rhubarb about … Combinatory dictionary
rhubarb — noun 1》 a large leaved plant of the dock family which produces thick reddish or green leaf stalks. [Rheum rhaponticum and related species.] ↘the cooked leaf stalks of the rhubarb plant, eaten as a dessert. 2》 Brit. informal noise made by a… … English new terms dictionary