armadillo

noun

ar·​ma·​dil·​lo ˌär-mə-ˈdi-(ˌ)lō How to pronounce armadillo (audio)
plural armadillos
: any of a family (Dasypodidae) of burrowing edentate mammals found from the southern U.S. to Argentina and having the body and head encased in an armor of small bony plates

Illustration of armadillo

Illustration of armadillo

Examples of armadillo 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.
With armadillo races, live music and over 100 vendors and food trucks, organizers said there's a little piece of Texas for everyone. Marissa Armas, CBS News, 28 Mar. 2026 Other likely culprits include armadillos or birds, says Waltz. Arricca Elin Sansone, Southern Living, 10 Mar. 2026 Nayara Tented Camp pushes this forward by creating a sanctuary for sloths out of the reforestation of hundreds of native trees, to grow alongside habitats for native frogs, birds, and armadillos. Condé Nast, Condé Nast Traveler, 4 Mar. 2026 This personality appeared all by himself in September on the twentieth floor of a New York hotel, as out of place as an armadillo. Literary Hub, 3 Mar. 2026 See All Example Sentences for armadillo

Word History

Etymology

borrowed from Spanish, noun derivative, with -illo, diminutive suffix, of armado, past participle of armar "to arm," going back to Latin armāre — more at arm entry 2

First Known Use

1577, in the meaning defined above

Time Traveler
The first known use of armadillo was in 1577

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Cite this Entry

“Armadillo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/armadillo. Accessed 6 Apr. 2026.

Kids Definition

armadillo

noun
ar·​ma·​dil·​lo ˌär-mə-ˈdil-ō How to pronounce armadillo (audio)
plural armadillos
: any of several small burrowing mammals of warm parts of the Americas whose head and body are protected by hard bony armor

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