Initialism of surgical intensive care unit.

plural of SICU

(zoology) The hard, triangular apex of a graptolite from which it grows.

Relating to Sicily or the Sicilian people, language, or culture. / (historical) Relating to the Siculian people, language or culture.

plural of sicula

The Sicels.

plural of Siculian

Of or pertaining to the Siculi (or Sicels), an ancient and most probably Aryan race of southern Italy who colonised Sicily before it was hellenized.

an ancient inhabitant of Sicily

A variety of Arabic that was spoken in the Emirate of Sicily.