nub
/nʌb/
noun
- The central or most important point of a situation or argument.
- The nub of the problem is that we don't have enough time to finish the project.
- The nub of her speech was that everyone needs to work together.
- After hours of discussion, they finally got to the nub of the disagreement.
- A small lump or piece, especially one that sticks out.
- There was a tiny nub of eraser left on the pencil.
- The cat chewed the toy down to a small nub.
- He felt a nub on the fabric where the button had been sewn on.