frass

noun

: debris or excrement produced by insects

Examples of frass 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.
Byproducts of these insects, like frass (insect excrement), serve as nutrient-rich organic fertilizers, improving soil health and reducing reliance on chemical fertilizers, thus fostering a more sustainable agricultural ecosystem. Oyku Ilgar, Forbes, 25 Feb. 2025 Larger trees may simply have more insects to drop frass, which could impact the results if tree sizes weren’t standardized between forest types. Ethan Freedman, Popular Science, 29 Jan. 2025 The researchers on this new paper found that younger forests had less frass, indicating fewer insects, than the older forests. Ethan Freedman, Popular Science, 29 Jan. 2025 Borer holes may be surrounded by piles of orange or green frass, as shown in the photo above. Lauren Landers, Better Homes & Gardens, 5 Sep. 2024 See All Example Sentences for frass

Word History

Etymology

German, insect damage, literally, eating away, from Old High German vrāz food, from frezzan to devour — more at fret

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of frass was in 1854

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Cite this Entry

“Frass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frass. Accessed 3 Mar. 2025.

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