rhizome

noun

rhi·​zome ˈrī-ˌzōm How to pronounce rhizome (audio)
: a somewhat elongated usually horizontal subterranean plant stem that is often thickened by deposits of reserve food material, produces shoots above and roots below, and is distinguished from a true root in possessing buds, nodes, and usually scalelike leaves
rhizomic
rī-ˈzō-mik How to pronounce rhizome (audio)
-ˈzä-
adjective

Example Sentences

Recent Examples on the Web Deadheading hinders seed dispersal, and dividing or growing in containers can halt rhizome spread. Susan Brownstein, cleveland, 18 Oct. 2022 Ginger contains gingerol, a powerful disease-fighting phenolic compound with antioxidant properties, found in the rhizome's natural oils. Melissa Matthews, Men's Health, 24 Aug. 2022 Arising from a creeping rhizome, the plant is capable of growing in a variety of soils, from average garden soils to waterlogged soils. BostonGlobe.com, 29 May 2022 Turmeric is a plant in the ginger family, but the word also refers to the yellow powder extracted from the plant's rhizome. Marci Robin, Allure, 29 Oct. 2021 After the flower blooms, its rhizome (called orris root) must be left in the ground for three years. April Long, Town & Country, 26 Aug. 2021 If mulching, do not cover the rhizome—just mulch up to it. Arricca Elin Sansone, Country Living, 14 June 2021 Firm the soil around each rhizome and then water it in to help settle the soil. oregonlive, 7 May 2021 Amy Huie, the chapter’s propagation committee chair, will talk about propagation of narrow leaf milkweed (Asclepias fascicularis) from seed and rhizome cuttings. San Diego Union-Tribune, 17 Apr. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rhizome.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

New Latin rhizomat-, rhizoma, from Greek rhizōmat-, rhizōma mass of roots, from rhizoun to cause to take root, from rhiza root — more at root

First Known Use

1833, in the meaning defined above

Time Traveler
The first known use of rhizome was in 1833

Dictionary Entries Near rhizome

Cite this Entry

“Rhizome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rhizome. Accessed 4 Dec. 2022.

Kids Definition

rhizome

noun

rhi·​zome ˈrī-ˌzōm How to pronounce rhizome (audio)
: a rootlike, often thickened, and usually horizontal underground plant stem that produces shoots above and roots below

Medical Definition

rhizome

noun

rhi·​zome ˈrī-ˌzōm How to pronounce rhizome (audio)
: a usually horizontal subterranean plant stem that is distinguished from a true root in possessing buds, nodes, and usually scalelike leaves

More from Merriam-Webster on rhizome

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