gnarl

/nɑrl/
verb
  1. To grow or become twisted and rough, like a tree knot.
    • The wood gnarled with age, creating a beautiful but uneven surface.
    • The roots of the ancient tree began to gnarl as they pushed through the rocky soil.
    • Over centuries, the branches gnarled into strange, twisted shapes.
noun
  1. A rough, twisted knot on a tree trunk or branch.
    • Woodworkers often avoid using a piece with a gnarl because it is difficult to carve.
    • The old oak tree had a large gnarl near its base.
    • She ran her hand over the gnarl, feeling the hard, twisted wood.
Synonyms
What does "gnarl" mean? | whatsthatwordmean | whatsthatwordmean