hickory horned devil

American

[hik-uh-ree hawrnd dev-uhl, hik-ree] / ˈhɪk ə ri ˈhɔrnd ˈdɛv əl, ˈhɪk ri /

noun

the fifth and final larval stage of the regal moth, highly conspicuous with a length of nearly 6 inches (15 centimeters), a turquoise or green color, and prominent reddish-orange horns.

First recorded in 1810–20

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023