bailiwick
/ˈbeɪlɪˌwɪk/
noun
- A person's area of skill, knowledge, or authority; a special field or domain.
- Asking for legal advice is not my bailiwick; you should talk to a lawyer.
- She is a brilliant engineer, but cooking is definitely not her bailiwick.
- The marketing department handles promotions, so that project falls within their bailiwick.
- The district or jurisdiction of a bailiff.
- In medieval times, each bailiwick had its own local court.
- The bailiff patrolled his bailiwick every morning to ensure order.
- The sheriff's bailiwick covered three rural counties.