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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

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.
This is just an example of one species of moth that also needs milkweed to complete their lifecycle. Markis Hill, Kansas City Star, 26 July 2026 Solar farms can create pollinator havens by planting native wildflowers under and around panels to create rich feeding grounds for bees, butterflies and moths. Indrabati Lahiri, Forbes.com, 26 July 2026 Biologists say some 1,000 species of moths inhabit the swamp. Charles Seabrook, AJC.com, 25 July 2026 Weed whackers Certain moth caterpillars feed on invasive or nuisance weeds, which naturally helps manage unchecked plant growth in local habitats. Kurt Snibbe, Oc Register, 21 July 2026 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

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Cite this Entry

“Moth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moth. Accessed 28 Jul. 2026.

Kids Definition

: 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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