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
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.
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 In both experiments, the pill bug and chiton were shown to effectively grasp and maneuver objects, either via the insect’s closing into its defensive stance while grasping an object, or via the mollusk’s suctioning ability. Andrew Paul, Popular Science, 28 June 2023

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 14 Apr. 2025.

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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