American Heritage Dictionary
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GNU Webster's 1913
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Elsewhere on the web
By spring if there's anything living in there you will have bugs or frass.— Apartment Therapy Main
Previous studies have shown that the Filobasidiella clade also includes several saprobic fungi isolated from insect frass, but information evaluating the relatedness of the saprobes and pathogens within this cluster is limited.— CiteULike: Everyone's library
They turned out to be the frass of 2 tomato hornworms, caterpillars of the five-spotted hawk moth (Manduca quinquemaculata).— SNAIL'S TALES
And here is the frass end of one of the caterpillars.— SNAIL'S TALES
Several clumps of frass hung in the box; I fished this one out to examine it.— BC Bloggers

American Heritage Dictionary (1)
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