A person who is dishonest or a criminal. The police finally caught the crook who had been robbing banks in the area.
A long staff with a curved end, especially one carried by a shepherd or (as a crosier) by a bishop. The shepherd leaned on his crook as he watched the flock graze.
The inner bend of a part of the body where it curves, especially the inside of the elbow or knee. She held the sleeping child in the crook of her arm.