noun
- Plural of frass; the fecal matter or droppings of insects, especially caterpillars and beetles.
Usage: entomology; technical
Examples
- The entomologist examined the frasses left by the caterpillars on the leaf.
- Frasses from the beetle infestation covered the bark of the tree.
- Scientists use frasses as an indicator of insect population density in the forest.
- The gardener noticed frasses accumulating beneath the infested branches.