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.

A surname.

(business) Initialism of Professional Engineer. / (education) Initialism of physical education. / (education) Initialism of Preliminary Examination. / (electronics) Initialism of protective earthing.

Someone who hijacks. / (computing) Hijackware.