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Any squash plant that wilts overnight should be inspected; look for entrance holes at the base of plants and the presence of sawdust-like frass.—Arricca Elin Sansone, Southern Living, 23 Apr. 2025 Look for Argentine ant nests in shallow mounds and carpenter ant nests in tree stumps and other wood with sawdust-like frass deposits nearby.—Barbara Robertson, The Mercury News, 17 Mar. 2025 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 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
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