Recent Examples on the Web

The bamboo huts of the miners had crumbled to frass. Paul Salopek, National Geographic, "Hunting for particles of gold in the jungles of Southeast Asia," 24 June 2020

Borers are easy to distinguish from disease because the sap is mixed with frass (the debris and fecal matter left behind by boring insects). oregonlive, "Is bacterial canker damaging this plum tree? Ask an expert," 20 Dec. 2019

The plant also produces 3,500 tons of fatty acid oil and 16,500 tons of frass, or maggot droppings, which is used as fertilizer. BostonGlobe.com, "McDonald’s CEO steps down after relationship with employee," 4 Nov. 2019

One byproduct of the process is frass — the scientific term for bug excrement. Christopher Ingraham, Washington Post, "Maggots: A taste of food’s future," 3 July 2019

Besides holes, these pests can also leave behind shed pupae skins, webbing, and frass, insect excrement that looks like large grains of sand, according to pest management brand Woodstream. Caroline Picard, Good Housekeeping, "How to Get Rid of Moths in Every Part of Your Home, According to Experts," 13 Mar. 2019

Look for large, black ants as well as the tell-tell sawdust-like debris, called frass. Caroline Picard, Good Housekeeping, "How to Get Rid of Ants," 9 May 2018

Look for large, black ants as well as the tell-tell sawdust-like debris, called frass. Caroline Picard, Good Housekeeping, "How to Get Rid of Ants," 9 May 2018

Look for large, black ants as well as the tell-tell sawdust-like debris, called frass. Caroline Picard, Good Housekeeping, "How to Get Rid of Ants," 9 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'frass.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.