Burl (noun)

1. A type of tree growth that is usually rounded, knobby, and without bark.
2. A decorative knot in the grain of wood or a decorative object made from burled wood.

Origin:

From middle english burle, from old english byrle, from proto-germanic *burzilō.

Examples:

1. The furniture maker was particularly skilled at finding the most stunning burls to use in his work.
2. The vase was made from a burl that had been carefully selected for its unique grain patterns.
3. The tree had a large burl near its base that had grown over several years.
4. The carving was made from a beautiful burl that had been harvested from a local tree.
5. The woodworker was particularly adept at creating intricate designs with the burls in his wood pieces.