borer

/ˈbɔːɹə/

ot noun

A tedious person.
A person who bores, who drills.
A tool used for drilling.
An insect or insect larva that bores into wood.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.