Sheikh (pronounced or ; , mostly pronounced , plural   )—also transliterated Sheik, Shaik, Shayk, Shaykh, Shaikh, Cheikh, and Shekh— is an honorific title in the Arabic language. It commonly designates the ruler of a tribe, who inherited the title from his father. "Sheikh" is given to a royal male at birth, whereas the related title "Sheikha" is given to a royal female at birth. "Sheikh" also often serves as a title for prominent Islamic leaders or clerics.