plural moths ˈmȯt͟hz How to pronounce moth (audio) ˈmȯths How to pronounce moth (audio)
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: any of various usually nocturnal lepidopteran insects with antennae that are often feathery, with a stouter body, duller coloring, and proportionately smaller wings than the butterflies, and with larvae that are plant-eating caterpillars
mothlike adjective
mothy adjective

Examples of moth 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.
Tobacco hornworm moth larvae and cockroaches tend to their wounds when hurt. Bob Fischer, The Conversation, 4 Apr. 2025 How to protect yourself from the southern flannel moth Protecting yourself from the southern flannel moth is a simple as wearing long sleeves and pants to cover your limbs while doing yard work, LoPresti said, re-emphasizing that stings are rare. Evan Moore, Charlotte Observer, 18 Mar. 2025 Researchers hypothesize that France might also be home to the moths, as the country has one of the largest populations of wild service trees. Rhiannon Saegert, Miami Herald, 27 Feb. 2025 The resulting model could identify a variety of coffee diseases with 96% to 98% accuracy, including fungal diseases such as Phoma, sooty mold, and rust, as well as the leaf miner moth. Bysandeep Ravindran, science.org, 20 Feb. 2025 See All Example Sentences for moth

Word History

Etymology

Middle English mothe, from Old English moththe; akin to Middle High German motte moth

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of moth was before the 12th century

Browse Nearby Words

Cite this Entry

“Moth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moth. Accessed 13 Apr. 2025.

Kids Definition

moth

noun
plural moths ˈmȯt͟hz How to pronounce moth (audio) ˈmȯths How to pronounce moth (audio)
: any of a group of night-flying insects that are lepidopterans often with duller coloring, stouter bodies, and smaller wings than the related butterflies and with antennae which are often feathery

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