A piece or lock of hair that is wound or twisted into a spiral or ringlet. She had a single curl hanging over her forehead.
A curved or spiral shape or form. The curl of smoke rose from the chimney.
A weightlifting exercise in which a person lifts a weight by bending the arm at the elbow. He performed several curls to strengthen his biceps.
A movement in gymnastics or dance where the body is bent or twisted into a curved shape. The gymnast executed a perfect curl during her routine.
In vector calculus, a differential operator that describes the infinitesimal rotation of a three-dimensional vector field. The curl of the magnetic field is proportional to the electric current density.