borer

/ˈbɔrər/
noun
  1. An insect or its larva that bores into wood, plants, or other materials, often causing damage.
    • Farmers often struggle with the corn borer, which destroys crops from the inside.
    • We treated the fence posts with a chemical to protect them from borers.
    • The carpenter found that a borer had damaged the wooden beams in the attic.
  2. A tool used for drilling or making holes, especially in wood or metal.
    • He used a hand borer to make small holes in the wooden plank.
    • A borer is essential for creating clean holes in thick metal sheets.
    • The machinist selected a spiral borer for the precise drilling job.
  3. A person or thing that bores, especially someone who talks in a dull or tedious way.
    • The lecture turned out to be a borer, and half the audience fell asleep.
    • At the party, he was such a borer that everyone tried to avoid him.
    • She realized her coworker was a borer who only talked about his stamp collection.
Synonyms
What does "borer" mean? | whatsthatwordmean | whatsthatwordmean