English version

lock keeper

From Longman Dictionary of Contemporary English
Related topics: Water
lock keeperˈlock ˌkeeper noun [countable] 🔊 🔊 TTWsomeone whose job is to open and close the gates of a lock on a canal
Examples from the Corpus
lock keeperJohn Cryer, the lock keeper, and Tom Mercer, the engine driver, are at the left of the picture.
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