: 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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Researchers say that the abundance of horses at the site hints at what the landscape looked like around 500,000 years ago, while the assemblage as a whole — with armadillos, sloths, and tapirs as well as horses — reveals the trajectories of evolution throughout the period.—Sam Walters, Discover Magazine, 21 Feb. 2025 Armadillos The armadillo was brought to the state in the 19th century from South America.—Alan Clemons, Outdoor Life, 20 Feb. 2025 Coyotes, hogs, and bobcats will eat them, but for the most part armadillos have it pretty easy.—Alan Clemons, Outdoor Life, 20 Feb. 2025 For land mammals, the giant armadillo is at the top with up to 100 teeth.—Joshua Rapp Learn, Discover Magazine, 17 Feb. 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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