- 1Fine powdery refuse or fragile perforated wood produced by the activity of boring insects.More example sentences
- We felt the fine, sharply scented frass of a carpenter ant colony with our fingertips.
- By the end of the experiment, an average of 25% of the cotyledon of Q. alba acorns had been reduced to frass, while there was no apparent damage in any of the final sample of RO acorns.
- 1.1The excrement of insect larvae.More example sentences
- One downside of group dining is that chemical signals from the larvae and their frass can attract parasitoids.
- As a bit of frass starts to emerge from the caterpillar, it pushes a hinged plate against a ring of blood vessels surrounding the anus.
- The chemical analyses of the body and frass of Blepharida flavocostata revealed almost no match to the constituents found in B. biflora.
mid 19th century: from German Frass, from fressen 'devour'.
More definitions of frassDefinition of frass in:
- The British & World English dictionary