Meaning of FOUR in English

noun Etymology: Middle English, from ~ adjective, from Old English fēower; akin to Old High German fior ~, Latin quattuor, Greek tessares, tettares Date: before 12th century see: number the ~th in a set or series , something having ~ units or members: as, a 4-oared racing shell or its crew, a 4-cylinder engine or automobile, ~ adjective ~ pronoun, plural in construction

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