Meaning of ISIS in English

I. noun Etymology: Latin Isid-, ~, from Greek, from Egyptian 'st Date: 14th century an Egyptian nature goddess and wife and sister of Osiris, II. geographical name the Thames River, England, at & upstream from Oxford

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