WASHER


Meaning of WASHER in English

noun Date: 14th century a flat thin ring or a perforated plate used in joints or assemblies to ensure tightness, prevent leakage, or relieve friction, one that washes

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