(~s)
A ~ is a person whose job is to be in charge of and maintain a lock or group of locks on a canal.
N-COUNT
(~s)
A ~ is a person whose job is to be in charge of and maintain a lock or group of locks on a canal.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012