Last Updated:2025/11/20
(entomology) The droppings or excrement of insect larvae. / The sawdust-like byproduct of wood-boring insects like termites, old-house borers or powderpost beetles.
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frass
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Source Word
frass
IPA(Pronunciation)
Noun
countable
uncountable
Japanese Meaning
昆虫の幼虫の排泄物。 / シロアリや古い家の木材に侵入する虫(木材食い虫)の発生する、鋸屑のような副産物。
( plural )