D defs.my
Entry 1 sense Webster, 1913

Sheik

/shēk/ · IPA /ʃeɪk/
01 n. The head of an Arab family, or of a clan or a tribe; also, the chief magistrate of an Arab village. The name is also applied to Mohammedan …
  1. 1.
    The head of an Arab family, or of a clan or a tribe; also, the chief magistrate of an Arab village. The name is also applied to Mohammedan ecclesiastics of a high grade.