rhubarb

noun

rhu·​barb ˈrü-ˌbärb 

1

a

: any of a genus (Rheum) of Asian plants of the buckwheat family having large leaves with thick petioles often used as food

also : the petioles of rhubarb

b

: the tart, succulent, usually pink or red petioles of rhubarb used especially in pies and preserves

2

: the dried rhizome and roots of any of various rhubarbs (such as Rheum officinale and R. palmatum) grown chiefly in temperate parts of China and used in folk medicine especially as a laxative, diuretic, and ulcer treatment

3

: a heated dispute or controversy

Synonyms

• altercation
• argle-bargle [chiefly British]
• argument
• argy-bargy [chiefly British]
• battle royal
• bicker
• brawl
• contretemps
• controversy
• cross fire
• disagreement
• dispute
• donnybrook
• falling-out
• fight
• hassle
• imbroglio
• kickup
• misunderstanding
• quarrel
• row
• scrap
• set-to
• spat
• squabble
• tiff
• wrangle

Examples of rhubarb in a Sentence

The coach got into a rhubarb with the umpire.

a basketball coach whose ranting rhubarbs with officials are the stuff of legend

Recent Examples on the Web

Pour melted butter in the gap, then stuff it with the rhubarb. —Caron Golden, San Diego Union-Tribune, 12 Mar. 2025

Notable high-oxalate foods include spinach, beets, chocolate, rhubarb, almonds, and navy beans. —Jamie Johnson, Verywell Health, 15 Jan. 2025

While rhubarb stalks are edible, the leaves are toxic and should never be consumed. —Anthony Reardon, Kansas City Star, 7 Mar. 2025

It's thought that rhubarb contains substances, including sennoside, a natural laxative that help the muscles of the digestive system move food along via peristalsis.4950 19. —Amber J. Tresca, Verywell Health, 5 Nov. 2024

Word History

Etymology

Middle English rubarbe, from Anglo-French reubarbe, from Medieval Latin reubarbarum, alteration of rha barbarum, literally, barbarian rhubarb

First Known Use

15th century, in the meaning defined at sense 1a

Rhymes for rhubarb

• aldicarb
• arb
• barb
• barbe
• garb

Kids Definition

rhubarb

noun

rhu·​barb ˈrü-ˌbärb 

1

: a plant related to buckwheat and having large green leaves with thick juicy pink or red stems that are used for food

2

: a heated dispute or argument

Medical Definition

rhubarb

noun

rhu·​barb ˈrü-ˌbärb 

1

: any of several plants of the genus Rheum having large leaves with thick succulent petioles often used as food

2

: the dried rhizome and roots of any of several rhubarbs (especially Rheum officinale and R. palmatum) grown in China and Tibet and used as a purgative and stomachic