thirls

/θɜrlz/
verb
  1. Third person singular present of thirl: bores, drills, or pierces.
    • The machine thirls through the rock to extract a core sample.
    • A specialized tool thirls the metal at high speed to create ventilation holes.
    • The carpenter thirls the wood with a sharp bit before inserting the screw.
What does "thirls" mean? | whatsthatwordmean | whatsthatwordmean