The term 'Pit Boss' is a job title used in the casino industry. It is the person responsible for overseeing the gaming tables and ensuring that all operations are running smoothly. The crossword solutions for this term are MAESTRO, which is a seven-letter word. MAESTRO is a term used to refer to a master or highly skilled professional in a particular field. In this case, it is referring to the Pit Boss as a master of the gaming tables.