ボロウチワフナクイムシ
Meanings
1
Uperotus clava (species of shipworm)
usually written using kana alone
A specific marine bivalve mollusk that bores into wood. The name is a compound of ぼろ (rag), うちわ (fan), ふなくいむし (shipworm).
The Uperotus clava is a type of bivalve that bores holes into submerged wood.