1
: a stalk bearing a flower or flower cluster or a fructification
2
: a narrow part by which some larger part or the whole body of an organism is attached : stalk, pedicel
3
: a narrow stalk by which a tumor or polyp is attached

Examples of peduncle 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.
The peduncle extends into sandy or muddy sediment and serves as an anchor, secured by a single large polyp. — Samantha Agate, Charlotte Observer, 23 Apr. 2026 Found worldwide — from shallow intertidal zones to depths exceeding 2,000 meters (6,500 feet) — sea pens anchor themselves by a bulbous peduncle from which specialized polyps extend. — Scott Travers, Forbes.com, 18 May 2025 As of March 20, the official first day of spring, 70% of the Yoshino cherry trees around the Tidal Basin reached the fourth stage in their blooming, which is peduncle elongation, according to the National Park Service. — Nicole Brown Chau, CBS News, 21 Mar. 2025 Scars from a previous entanglement unrelated to the stranding event were found around the peduncle, which is the muscular area where the tail connects to the body; on the tail itself, and on the right front pectoral flipper. — Wayne Parry, Fortune, 13 Apr. 2024 See All Example Sentences for peduncle

Word History

Etymology

New Latin pedunculus, diminutive of Latin ped-, pes

First Known Use

1702, in the meaning defined at sense 1

Time Traveler
The first known use of peduncle was in 1702

Browse Nearby Words

Cite this Entry

“Peduncle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peduncle. Accessed 25 Sep. 2026.

Kids Definition

: a narrow part by which some larger part or the body of a living thing is attached
especially : a stalk that supports a flower cluster

Medical Definition

1
: a band of white matter joining different parts of the brain see cerebellar peduncle, cerebral peduncle
2
: a narrow stalk by which a tumor or polyp is attached
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