Definition of rhubarb
1a : 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 rhubarbb : 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
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
Origin and Etymology of rhubarb
Middle English rubarbe, from Anglo-French reubarbe, from Medieval Latin reubarbarum, alteration of rha barbarum, literally, barbarian rhubarb
First Known Use: 15th century
RHUBARB Defined for English Language Learners
Definition of rhubarb for English Language Learners
: a plant with large green leaves and with thick pink or red stems that are cooked and used in pies, jams, etc.
: an angry argument
RHUBARB Defined for Kids
Definition of rhubarb for Students
: the thick juicy pink or red stems of a garden plant that have a tart flavor and are used cooked especially in jams and desserts
Medical Definition of rhubarb
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
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