Meaning of ISIS in English

I. ˈī-səs noun

Etymology: Latin Isid-, Isis, from Greek, from Egyptian 'st

Date: 14th century

: an Egyptian nature goddess and wife and sister of Osiris

II. ˈī-səs geographical name

the Thames River, England, at & upstream from Oxford

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.