ascender

noun

as·​cend·​er ə-ˈsen-dər How to pronounce ascender (audio)
ˈa-ˌsen-
1
: the part of a lowercase letter (such as b) that rises above the main body of the letter
also : a letter that has such a part
2
: a device used for climbing rope that slides freely in one direction and grips the rope when pulled in the opposite direction

Examples of ascender 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.
Mechanical ascenders and descenders, metal climbing devices that help climbers up and down the rope, require a backup system in case of failure. Calin Van Paris, Outside, 19 Mar. 2026 Around dusk, the two climbers attached mechanical ascenders to it and, hanging upside down like tree sloths, made the long, slow traverse to my platform. Robert Moor, New Yorker, 2 Mar. 2026 This precious cargo launched aboard the ascender on June 3 and met up with the mission's orbiter a few days later. Andrew Jones, Space.com, 29 Sep. 2025 Renfrow was an early ascender in May’s offseason training activities. Alex Zietlow, Charlotte Observer, 30 Aug. 2025 See All Example Sentences for ascender

Word History

First Known Use

circa 1867, in the meaning defined at sense 1

Time Traveler
The first known use of ascender was circa 1867

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Cite this Entry

“Ascender.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ascender. Accessed 24 Mar. 2026.

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