Isis

1 of 2

noun

ˈī-səs 

: an Egyptian nature goddess and wife and sister of Osiris

ISIS

2 of 2

abbreviation

Islamic State in Iraq and Syria

Note: ISIS is a transnational jihad movement that has orchestrated or inspired terrorist attacks around the world.

Word History

Etymology

Noun

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

First Known Use

Noun

14th century, in the meaning defined above

Geographical Definition

Isis

geographical name

ˈī-səs 

—a local name for the upper course of the Thames River, England