Meaning of PLUMBER in English

PLUMBER

noun Etymology: Middle English, from Anglo-French plummer, plomner, from Latin plumbarius, from plumbum Date: 15th century a dealer or worker in lead, one who installs, repairs, and maintains piping, fittings, and fixtures involved in the distribution and use of water in a building, a person whose job is to prevent or put an end to leaks of sensitive information

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.