The word “crook” can have multiple meanings:
1. **Noun**: A person who engages in dishonest or fraudulent behavior; a criminal or a swindler. For example, “The crook was arrested for theft.”
2. **Noun**: A curved or bent part, often referring to a staff or shepherd’s crook. For example, “He used a crook to guide the sheep.”
3. **Verb**: To bend or curve something. For example, “She crooks her finger to indicate that he should come over.”
4. **Noun (informal)**: A slang term for a person’s back or spine when it is bent or in poor condition.
The specific meaning often depends on the context in which the word is used.