: 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
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The landmass used to host multiple forms of mammoths, mastodons, giant ground sloths, enormous armadillos, multiple species of sabercat, huge bison, dire wolves and many more large creatures that formed ancient ecosystems unlike anything on our planet today.—Riley Black, Smithsonian Magazine, 11 July 2025 Critters ranging from an armadillo to a rattlesnake are expected to predict the weather this February.—Haadiza Ogwude, The Enquirer, 2 July 2025 There was one made with armadillo and another with snake, and chilis that were white in color, instead of the typical red.—Maura Fox, San Diego Union-Tribune, 28 June 2025 Other likely culprits include armadillos or birds, says Waltz.—Arricca Elin Sansone, Southern Living, 22 June 2025 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
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