intransitive verb
Definition: To make a low, angry sound like a growl, often used to describe the noise made by animals when they are upset or threatened.
Example: The dog began to gnarl when it saw the stranger approaching.
noun
Definition: A bump or knot on a tree, often caused by twisted wood grain.
Example: The old oak tree had a large gnarl that made it look unique.
transitive verb
Definition: To twist or make something knotted, often referring to the way something looks or feels.
Example: The tree's roots gnarl around the rocks, creating a unique pattern.