exoskeleton

noun

exo·​skel·​e·​ton ˌek-sō-ˈske-lə-tən How to pronounce exoskeleton (audio)
Synonyms of exoskeletonnext
1
: an external supportive covering of an animal (such as an arthropod)
2
: bony or horny parts of a vertebrate produced from epidermal tissues
3
: an artificial external supporting structure
exoskeletal adjective

Examples of exoskeleton 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.
Designed by the late Pritzker Prize-winning architect Zaha Hadid, the 62-story tower looks more like a piece of contemporary sculpture than a residential high-rise, thanks to the dramatic concrete exoskeleton wrapping around its exterior. Abby Montanez, Robb Report, 10 Feb. 2026 Knee-assist devices and exoskeletons often use simple bearings placed near the knee, which can create painful misalignment because a real knee hinges but also shifts, rolls, and slides. Prabhat Ranjan Mishra, Interesting Engineering, 9 Feb. 2026 And fire ants use their waxy, water-repellent coating and textured exoskeletons to trap air; during floods, thousands cling together to make buoyant, living rafts that can survive 12 days and possibly longer. Deni Ellis Béchard, Scientific American, 3 Feb. 2026 The 25-year-old Bronco is in the middle of a metamorphosis, shedding an exoskeleton that isn’t his. Luca Evans, Denver Post, 16 Jan. 2026 See All Example Sentences for exoskeleton

Word History

First Known Use

1847, in the meaning defined at sense 1

Time Traveler
The first known use of exoskeleton was in 1847

Browse Nearby Words

Cite this Entry

“Exoskeleton.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exoskeleton. Accessed 14 Feb. 2026.

Kids Definition

exoskeleton

noun
exo·​skel·​e·​ton ˌek-sō-ˈskel-ət-ᵊn How to pronounce exoskeleton (audio)
: a hard supporting or protective structure (as of an insect, spider, or crustacean) on the outside of the body

Medical Definition

exoskeleton

noun
exo·​skel·​e·​ton ˌek-sō-ˈskel-ət-ᵊn How to pronounce exoskeleton (audio)
1
: an external supportive covering of an animal (as the system of sclerites covering the body of an insect) compare endoskeleton
2
: bony or horny parts (as nails, hooves, or scales) of a vertebrate produced from epidermal tissues
exoskeletal adjective

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