The word “curl” can function as both a noun and a verb:
**As a noun:**
1. A spiral or twisted shape or form, such as a lock of hair or a circular motion.
2. A small, tight spiral or loop.
3. In mathematics and physics, a measure of the rotation of a vector field.
**As a verb:**
1. To form into a spiral or curve; to coil or twist.
2. To move in a circular or spiral pattern.
3. To cause something to take on a curled shape, such as curling hair with a styling tool.
Overall, “curl” refers to the action or result of bending or twisting something into a rounded shape.
