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regal moth

American  
[ree-guhl mawth, moth] / ˈri gəl ˈmɔθ, ˈmɒθ /

noun

  1. a large moth, Citheronia regalis, found mostly in North America, having reddish-orange hindwings and yellow-spotted, grayish-olive forewings: the larva, pupa, and adult are the largest moth forms found north of Mexico.

Etymology

Origin of regal moth

First recorded in 1850–55

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.