linter

noun4

1. •
   The short fibres that cling to cottonseeds after the first ginning.
2. •
   A program or algorithm that performs linting.

   • A linter checks your source code for syntax and style errors. — 2021
3. •
   A machine for removing these fibres.
4. •
   A person or device that collects lint for use in making hats etc.