Entry 1 sense Webster, 1913 Bailiwick /bā'lĭ-wĭk/ · Bail·i·wick · IPA /ˈbeɪ.lɪ.wɪk/ 01 n. The precincts within which a bailiff has jurisdiction; the limits of a bailiff's authority. 1. The precincts within which a bailiff has jurisdiction; the limits of a bailiff's authority.(Law)