Related Clues:

• What something might be worn down to
• A pencil that's mostly eraser
• Pencil you used all semester, say
• Worn-down crayon
• 2-inch No. 2 pencil, say
• Well-used pencil, say
• Crux of a matter
• Little pencil
• Nearly gone pencil
• Lop top off slight protuberance
• Roll up, that’s the point
• Central point, gist