'Bailiwick' definitions:

Definition of 'bailiwick'

From: WordNet
noun
The area over which a bailiff has jurisdiction
noun
A branch of knowledge; "in what discipline is his doctorate?"; "teachers should be well trained in their subject"; "anthropology is the study of human beings" [syn: discipline, subject, subject area, subject field, field, field of study, study, bailiwick]

Definition of 'Bailiwick'

From: GCIDE
  • Bailiwick \Bail"i*wick\, n. [Bailie, bailiff + wick a village.] (Law) The precincts within which a bailiff has jurisdiction; the limits of a bailiff's authority. [1913 Webster]