| Answer | Crossword Clue |
|---|---|
| GNARL | Tree trunk knot |
| KNUR | Knot in tree trunk. |
| GNARL | Knot on a tree trunk. |
| GNARL | Knot in a tree trunk. |
| BURL | Knot on a tree trunk. |
| knotholes | A hole in a piece of timber where a knot has fallen out, or in a tree trunk where a branch has decayed |
