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

Examples of rhizome in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
According to Yunnan Institute of Cultural Relics and Archaeology archaeologist Jian-Hui Liu and colleagues, all 35 tools seem to have been designed, crafted, and used to harvest plants—specifically, the rhizomes, bulb-like corms, and other underground organs that many plants use to store nutrients. ArsTechnica, 7 July 2025 Mint is a herb that is notorious for spreading quickly via rhizomes, which are underground runners, and can overtake other plants. Lauren David, Southern Living, 2 July 2025 This low-mounding shade perennial sends up taller, slender stems with airy flower clusters, and the ground cover spreads by slowly creeping rhizomes. Judy Nauseef, Better Homes & Gardens, 24 June 2025 Plants spread by rhizome to produce a soft dense mat. Kim Toscano, Southern Living, 19 June 2025 See All Example Sentences for rhizome

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

Cite this Entry

“Rhizome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rhizome. Accessed 18 Jul. 2025.

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

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