Entry 1 sense Webster, 1913 Locator /lōk'-ātˌ-ẽr/ · Lo·ca·tor · IPA /ˈloʊkeɪtɚ/ 01 n. One who locates, or is entitled to locate, land or a mining claim. 1. One who locates, or is entitled to locate, land or a mining claim.[U.S.]