The term 'PEER SHEIK' is a combination of two words, 'PEER' and 'EMIR'. PEER is a noun meaning 'a person of equal standing with another in a group' while EMIR is a title of nobility used in some Muslim countries, usually referring to a ruler or military leader. The crossword solutions for this term are EMIR, which is a 4-letter word. Therefore, the term 'PEER SHEIK' can be defined as a person of equal standing with another in a group who holds a title of nobility, usually referring to a ruler or military leader.