From Longman Dictionary of Contemporary EnglishShiaShi‧a, Shiah /ˈʃiːə/ noun 1 → the Shia2 [countable]RRI a Shiite
Examples from the Corpus
Shia• In the south the enforcement of a no-fly zone by western aircraft has raised the possibility of a Shia secession.• A Shia would be the speaker of parliament.• Some seek revenge for atrocities committed in suppressing the Shia uprising.• The Shias believe that Ali's descendants - the Imams - are the lawful successors of Mohamed.Origin Shia (1600-1700) Arabic shi'ah “group supporting a particular side” 