1. third-person singular present tense of gnarl; to twist or contort into a knotted, gnarled form
Usage: often used of wood, roots, or other materials that become twisted and rough

Examples

• The old oak tree gnarrs its branches in all directions.
• Time and weather gnarrs the wooden fence posts.
• The roots gnarl and twist as they grow around the rocks.
• Arthritis gnarrs the joints of her hands.
• The storm gnarrs the young saplings into unusual shapes.