English Dictionary

Definition of “frass”

frass (fræs Pronunciation for frass

Definitions

noun

  1. excrement or other refuse left by insects and insect larvae

Word Origin

C19: from German, from fressen to devour

Example Sentences Including 'frass'

Caterpillar damage often encourages secondary rotting and plants are often fouled with the ` frass " produced by caterpillars.
Forsythe, Trevor G Successful Organic Pest Control
Look for frass (bug-dork-speak for poo and dead ants) by windowsills, gutters, or decks.
Maxim (2004)
Look for sawdust-like frass that indicates borer activity and remove these branches also.
Courier, Sunday Mail (2005)
Similar comments apply to a mass of fine `` frass ' left by the borer at the entrance to the hole.
Courier, Sunday Mail (2005)

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