chiton

noun

1
: any of a class (Polyplacophora) of elongated bilaterally symmetrical marine mollusks with a dorsal shell of calcareous plates
2
[Greek chitōn] : the basic garment of ancient Greece worn usually knee-length by men and full-length by women

Examples of chiton in a Sentence

Recent Examples on the Web
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The area's tidepools are home to sea stars, chitons, crabs and limpets. Alia Beard Rau, USA Today, 10 June 2026 More than 1,300 chiton species are known to science, and more extant species exist than extinct ones. Hanna Wickes, Charlotte Observer, 3 Mar. 2026 To understand how this variety of chiton eyes evolved, a team of researchers led by Varney looked at how hundreds of chiton species are related. Quanta Magazine, 29 Feb. 2024 The mineral is believed to toughen the teeth of the sometimes 14-inch chiton without adding extra weight, due to its high water content and low density, Joster said. Asha C. Gilbert, USA TODAY, 1 June 2021 See All Example Sentences for chiton

Word History

Etymology

New Latin, genus name, from Greek chitōn tunic, of Semitic origin; akin to Hebrew kuttōneth tunic

First Known Use

1816, in the meaning defined at sense 1

Time Traveler
The first known use of chiton was in 1816

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Cite this Entry

“Chiton.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chiton. Accessed 8 Jul. 2026.

Kids Definition

chiton

noun
1
: any of a class of marine mollusks with a shell of calcium-containing plates
2
: a draped garment worn by the ancient Greeks

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