(zoology) Any coral of the genus Isis, or family Isididae, composed of joints of white, stony coral, alternating with flexible, horny joints.

(Egyptian mythology) An ancient Egyptian goddess, the wife of Osiris and mother of Horus, worshiped as the ideal mother and wife and as the matron of nature and magic.

(UK, especially Oxfordshire, otherwise dated) The River Thames between its source and its confluence with the River Thame at Dorchester on Thames.

Alternative letter-case form of ISIS

A Salafist group active in Libya, Nigeria, Iraq and Syria, where it has proclaimed an (unrecognized) state.

A diminutive form of the female given names Isabel and Isobel.

(telecommunications) Abbreviation of intersymbol interference. / (hematology) Initialism of international sensitivity index.

(Pakistan) Abbreviation of Inter-Services Intelligence. / Abbreviation of Islamic State in Iraq.

Abbreviation of Islamic State in Iraq and Syria, Khorasan / Islamic State of Iraq and Syria, Khorasan: Daesh-Khorasan

A spicy Nigerian dish made from a goat's head.